Finding the Third Proportional to 31,376 and 65,344

Step by Step Solution

1. Step 1: Write the proportion equation
   31,376 : 65,344 = 65,344 : x
2. Step 2: Convert to fraction form
   31,376/65,344 = 65,344/x
3. Step 3: Cross multiply
   31,376x = 65,344 × 65,344
4. Step 4: Simplify right side
   31,376x = 4,269,838,336
5. Step 5: Solve for x
   x = 4,269,838,336/31,376
6. Step 6: Final answer
   x = 136,086.13