Finding the Third Proportional to 81,913,666.50 and 175,983,726

Step by Step Solution

1. Step 1: Write the proportion equation
   81,913,666.50 : 175,983,726 = 175,983,726 : x
2. Step 2: Convert to fraction form
   81,913,666.50/175,983,726 = 175,983,726/x
3. Step 3: Cross multiply
   81,913,666.50x = 175,983,726 × 175,983,726
4. Step 4: Simplify right side
   81,913,666.50x = 30,970,271,816,843,076
5. Step 5: Solve for x
   x = 30,970,271,816,843,076/81,913,666.50
6. Step 6: Final answer
   x = 378,084,306.81