Finding the Third Proportional to 59,640 and 91,332

Step by Step Solution

1. Step 1: Write the proportion equation
   59,640 : 91,332 = 91,332 : x
2. Step 2: Convert to fraction form
   59,640/91,332 = 91,332/x
3. Step 3: Cross multiply
   59,640x = 91,332 × 91,332
4. Step 4: Simplify right side
   59,640x = 8,341,534,224
5. Step 5: Solve for x
   x = 8,341,534,224/59,640
6. Step 6: Final answer
   x = 139,864.76