Finding the Third Proportional to 76,572,060 and 168,022,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,572,060 : 168,022,039.50 = 168,022,039.50 : x
2. Step 2: Convert to fraction form
   76,572,060/168,022,039.50 = 168,022,039.50/x
3. Step 3: Cross multiply
   76,572,060x = 168,022,039.50 × 168,022,039.50
4. Step 4: Simplify right side
   76,572,060x = 28,231,405,757,739,560
5. Step 5: Solve for x
   x = 28,231,405,757,739,560/76,572,060
6. Step 6: Final answer
   x = 368,690,691.59