Finding the Third Proportional to 40,724 and 60,776

Step by Step Solution

1. Step 1: Write the proportion equation
   40,724 : 60,776 = 60,776 : x
2. Step 2: Convert to fraction form
   40,724/60,776 = 60,776/x
3. Step 3: Cross multiply
   40,724x = 60,776 × 60,776
4. Step 4: Simplify right side
   40,724x = 3,693,722,176
5. Step 5: Solve for x
   x = 3,693,722,176/40,724
6. Step 6: Final answer
   x = 90,701.36