Finding the Third Proportional to 39,613 and 59,428

Step by Step Solution

1. Step 1: Write the proportion equation
   39,613 : 59,428 = 59,428 : x
2. Step 2: Convert to fraction form
   39,613/59,428 = 59,428/x
3. Step 3: Cross multiply
   39,613x = 59,428 × 59,428
4. Step 4: Simplify right side
   39,613x = 3,531,687,184
5. Step 5: Solve for x
   x = 3,531,687,184/39,613
6. Step 6: Final answer
   x = 89,154.75