Finding the Third Proportional to 187,758,656 and 298,760,928

Step by Step Solution

1. Step 1: Write the proportion equation
   187,758,656 : 298,760,928 = 298,760,928 : x
2. Step 2: Convert to fraction form
   187,758,656/298,760,928 = 298,760,928/x
3. Step 3: Cross multiply
   187,758,656x = 298,760,928 × 298,760,928
4. Step 4: Simplify right side
   187,758,656x = 89,258,092,099,421,184
5. Step 5: Solve for x
   x = 89,258,092,099,421,184/187,758,656
6. Step 6: Final answer
   x = 475,387,361.63