Finding the Third Proportional to 62,416.50 and 91,288.88

Step by Step Solution

1. Step 1: Write the proportion equation
   62,416.50 : 91,288.88 = 91,288.88 : x
2. Step 2: Convert to fraction form
   62,416.50/91,288.88 = 91,288.88/x
3. Step 3: Cross multiply
   62,416.50x = 91,288.88 × 91,288.88
4. Step 4: Simplify right side
   62,416.50x = 8,333,658,698.77
5. Step 5: Solve for x
   x = 8,333,658,698.77/62,416.50
6. Step 6: Final answer
   x = 133,516.92