Finding the Third Proportional to 57,528 and 89,282

Step by Step Solution

1. Step 1: Write the proportion equation
   57,528 : 89,282 = 89,282 : x
2. Step 2: Convert to fraction form
   57,528/89,282 = 89,282/x
3. Step 3: Cross multiply
   57,528x = 89,282 × 89,282
4. Step 4: Simplify right side
   57,528x = 7,971,275,524
5. Step 5: Solve for x
   x = 7,971,275,524/57,528
6. Step 6: Final answer
   x = 138,563.40