Finding the Third Proportional to 56,126.81 and 88,858.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,126.81 : 88,858.69 = 88,858.69 : x
2. Step 2: Convert to fraction form
   56,126.81/88,858.69 = 88,858.69/x
3. Step 3: Cross multiply
   56,126.81x = 88,858.69 × 88,858.69
4. Step 4: Simplify right side
   56,126.81x = 7,895,866,344.22
5. Step 5: Solve for x
   x = 7,895,866,344.22/56,126.81
6. Step 6: Final answer
   x = 140,679.04