Finding the Third Proportional to 55,988.72 and 86,701.22

Step by Step Solution

1. Step 1: Write the proportion equation
   55,988.72 : 86,701.22 = 86,701.22 : x
2. Step 2: Convert to fraction form
   55,988.72/86,701.22 = 86,701.22/x
3. Step 3: Cross multiply
   55,988.72x = 86,701.22 × 86,701.22
4. Step 4: Simplify right side
   55,988.72x = 7,517,101,332.74
5. Step 5: Solve for x
   x = 7,517,101,332.74/55,988.72
6. Step 6: Final answer
   x = 134,261.00