Finding the Third Proportional to 155,452,499,870.91 and 238,835,585,139.60

Step by Step Solution

1. Step 1: Write the proportion equation
   155,452,499,870.91 : 238,835,585,139.60 = 238,835,585,139.60 : x
2. Step 2: Convert to fraction form
   155,452,499,870.91/238,835,585,139.60 = 238,835,585,139.60/x
3. Step 3: Cross multiply
   155,452,499,870.91x = 238,835,585,139.60 × 238,835,585,139.60
4. Step 4: Simplify right side
   155,452,499,870.91x = 57,042,436,728,975,125,381,120
5. Step 5: Solve for x
   x = 57,042,436,728,975,125,381,120/155,452,499,870.91
6. Step 6: Final answer
   x = 366,944,479,994.49