Finding the Third Proportional to 155,553 and 366,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,553 : 366,055.50 = 366,055.50 : x
2. Step 2: Convert to fraction form
   155,553/366,055.50 = 366,055.50/x
3. Step 3: Cross multiply
   155,553x = 366,055.50 × 366,055.50
4. Step 4: Simplify right side
   155,553x = 133,996,629,080.25
5. Step 5: Solve for x
   x = 133,996,629,080.25/155,553
6. Step 6: Final answer
   x = 861,421.05