Finding the Third Proportional to 71,290,420 and 152,812,442

Step by Step Solution

1. Step 1: Write the proportion equation
   71,290,420 : 152,812,442 = 152,812,442 : x
2. Step 2: Convert to fraction form
   71,290,420/152,812,442 = 152,812,442/x
3. Step 3: Cross multiply
   71,290,420x = 152,812,442 × 152,812,442
4. Step 4: Simplify right side
   71,290,420x = 23,351,642,430,003,364
5. Step 5: Solve for x
   x = 23,351,642,430,003,364/71,290,420
6. Step 6: Final answer
   x = 327,556,527.65