Finding the Third Proportional to 87,355.69 and 191,068.88

Step by Step Solution

1. Step 1: Write the proportion equation
   87,355.69 : 191,068.88 = 191,068.88 : x
2. Step 2: Convert to fraction form
   87,355.69/191,068.88 = 191,068.88/x
3. Step 3: Cross multiply
   87,355.69x = 191,068.88 × 191,068.88
4. Step 4: Simplify right side
   87,355.69x = 36,507,314,993.77
5. Step 5: Solve for x
   x = 36,507,314,993.77/87,355.69
6. Step 6: Final answer
   x = 417,915.72