Finding the Third Proportional to 57,404 and 88,706

Step by Step Solution

1. Step 1: Write the proportion equation
   57,404 : 88,706 = 88,706 : x
2. Step 2: Convert to fraction form
   57,404/88,706 = 88,706/x
3. Step 3: Cross multiply
   57,404x = 88,706 × 88,706
4. Step 4: Simplify right side
   57,404x = 7,868,754,436
5. Step 5: Solve for x
   x = 7,868,754,436/57,404
6. Step 6: Final answer
   x = 137,076.76