Finding the Third Proportional to 139,753,865 and 302,798,685.50

Step by Step Solution

1. Step 1: Write the proportion equation
   139,753,865 : 302,798,685.50 = 302,798,685.50 : x
2. Step 2: Convert to fraction form
   139,753,865/302,798,685.50 = 302,798,685.50/x
3. Step 3: Cross multiply
   139,753,865x = 302,798,685.50 × 302,798,685.50
4. Step 4: Simplify right side
   139,753,865x = 91,687,043,940,527,904
5. Step 5: Solve for x
   x = 91,687,043,940,527,904/139,753,865
6. Step 6: Final answer
   x = 656,060,882.04