Finding the Third Proportional to 87,616.69 and 191,020.78

Step by Step Solution

1. Step 1: Write the proportion equation
   87,616.69 : 191,020.78 = 191,020.78 : x
2. Step 2: Convert to fraction form
   87,616.69/191,020.78 = 191,020.78/x
3. Step 3: Cross multiply
   87,616.69x = 191,020.78 × 191,020.78
4. Step 4: Simplify right side
   87,616.69x = 36,488,938,869.36
5. Step 5: Solve for x
   x = 36,488,938,869.36/87,616.69
6. Step 6: Final answer
   x = 416,461.06