Finding the Third Proportional to 15,136 and 31,495

Step by Step Solution

1. Step 1: Write the proportion equation
   15,136 : 31,495 = 31,495 : x
2. Step 2: Convert to fraction form
   15,136/31,495 = 31,495/x
3. Step 3: Cross multiply
   15,136x = 31,495 × 31,495
4. Step 4: Simplify right side
   15,136x = 991,935,025
5. Step 5: Solve for x
   x = 991,935,025/15,136
6. Step 6: Final answer
   x = 65,534.82