Finding the Third Proportional to 82,753,715.25 and 178,671,757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,753,715.25 : 178,671,757.50 = 178,671,757.50 : x
2. Step 2: Convert to fraction form
   82,753,715.25/178,671,757.50 = 178,671,757.50/x
3. Step 3: Cross multiply
   82,753,715.25x = 178,671,757.50 × 178,671,757.50
4. Step 4: Simplify right side
   82,753,715.25x = 31,923,596,928,138,808
5. Step 5: Solve for x
   x = 31,923,596,928,138,808/82,753,715.25
6. Step 6: Final answer
   x = 385,766,328.82