Finding the Third Proportional to 61,182.38 and 86,159.63

Step by Step Solution

1. Step 1: Write the proportion equation
   61,182.38 : 86,159.63 = 86,159.63 : x
2. Step 2: Convert to fraction form
   61,182.38/86,159.63 = 86,159.63/x
3. Step 3: Cross multiply
   61,182.38x = 86,159.63 × 86,159.63
4. Step 4: Simplify right side
   61,182.38x = 7,423,480,980.14
5. Step 5: Solve for x
   x = 7,423,480,980.14/61,182.38
6. Step 6: Final answer
   x = 121,333.65