Finding the Third Proportional to 168,139,972.50 and 363,914,785.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,139,972.50 : 363,914,785.50 = 363,914,785.50 : x
2. Step 2: Convert to fraction form
   168,139,972.50/363,914,785.50 = 363,914,785.50/x
3. Step 3: Cross multiply
   168,139,972.50x = 363,914,785.50 × 363,914,785.50
4. Step 4: Simplify right side
   168,139,972.50x = 132,433,971,105,511,008
5. Step 5: Solve for x
   x = 132,433,971,105,511,008/168,139,972.50
6. Step 6: Final answer
   x = 787,641,208.31