Finding the Third Proportional to 38,724 and 58,410

Step by Step Solution

1. Step 1: Write the proportion equation
   38,724 : 58,410 = 58,410 : x
2. Step 2: Convert to fraction form
   38,724/58,410 = 58,410/x
3. Step 3: Cross multiply
   38,724x = 58,410 × 58,410
4. Step 4: Simplify right side
   38,724x = 3,411,728,100
5. Step 5: Solve for x
   x = 3,411,728,100/38,724
6. Step 6: Final answer
   x = 88,103.71