Finding the Third Proportional to 87,488,878 and 191,455,098

Step by Step Solution

1. Step 1: Write the proportion equation
   87,488,878 : 191,455,098 = 191,455,098 : x
2. Step 2: Convert to fraction form
   87,488,878/191,455,098 = 191,455,098/x
3. Step 3: Cross multiply
   87,488,878x = 191,455,098 × 191,455,098
4. Step 4: Simplify right side
   87,488,878x = 36,655,054,550,189,600
5. Step 5: Solve for x
   x = 36,655,054,550,189,600/87,488,878
6. Step 6: Final answer
   x = 418,968,163.59