Finding the Third Proportional to 31,269 and 63,812

Step by Step Solution

1. Step 1: Write the proportion equation
   31,269 : 63,812 = 63,812 : x
2. Step 2: Convert to fraction form
   31,269/63,812 = 63,812/x
3. Step 3: Cross multiply
   31,269x = 63,812 × 63,812
4. Step 4: Simplify right side
   31,269x = 4,071,971,344
5. Step 5: Solve for x
   x = 4,071,971,344/31,269
6. Step 6: Final answer
   x = 130,223.91