Finding the Third Proportional to 187,757,028 and 380,820,150

Step by Step Solution

1. Step 1: Write the proportion equation
   187,757,028 : 380,820,150 = 380,820,150 : x
2. Step 2: Convert to fraction form
   187,757,028/380,820,150 = 380,820,150/x
3. Step 3: Cross multiply
   187,757,028x = 380,820,150 × 380,820,150
4. Step 4: Simplify right side
   187,757,028x = 145,023,986,646,022,496
5. Step 5: Solve for x
   x = 145,023,986,646,022,496/187,757,028
6. Step 6: Final answer
   x = 772,402,440.49