Finding the Third Proportional to 61,182.50 and 86,160

Step by Step Solution

1. Step 1: Write the proportion equation
   61,182.50 : 86,160 = 86,160 : x
2. Step 2: Convert to fraction form
   61,182.50/86,160 = 86,160/x
3. Step 3: Cross multiply
   61,182.50x = 86,160 × 86,160
4. Step 4: Simplify right side
   61,182.50x = 7,423,545,600
5. Step 5: Solve for x
   x = 7,423,545,600/61,182.50
6. Step 6: Final answer
   x = 121,334.46