Finding the Third Proportional to 31,300 and 40,632

Step by Step Solution

1. Step 1: Write the proportion equation
   31,300 : 40,632 = 40,632 : x
2. Step 2: Convert to fraction form
   31,300/40,632 = 40,632/x
3. Step 3: Cross multiply
   31,300x = 40,632 × 40,632
4. Step 4: Simplify right side
   31,300x = 1,650,959,424
5. Step 5: Solve for x
   x = 1,650,959,424/31,300
6. Step 6: Final answer
   x = 52,746.31