Finding the Third Proportional to 57,068 and 88,710

Step by Step Solution

1. Step 1: Write the proportion equation
   57,068 : 88,710 = 88,710 : x
2. Step 2: Convert to fraction form
   57,068/88,710 = 88,710/x
3. Step 3: Cross multiply
   57,068x = 88,710 × 88,710
4. Step 4: Simplify right side
   57,068x = 7,869,464,100
5. Step 5: Solve for x
   x = 7,869,464,100/57,068
6. Step 6: Final answer
   x = 137,896.27