Finding the Third Proportional to 64,313.25 and 91,740.75

Step by Step Solution

1. Step 1: Write the proportion equation
   64,313.25 : 91,740.75 = 91,740.75 : x
2. Step 2: Convert to fraction form
   64,313.25/91,740.75 = 91,740.75/x
3. Step 3: Cross multiply
   64,313.25x = 91,740.75 × 91,740.75
4. Step 4: Simplify right side
   64,313.25x = 8,416,365,210.56
5. Step 5: Solve for x
   x = 8,416,365,210.56/64,313.25
6. Step 6: Final answer
   x = 130,865.18