Finding the Third Proportional to 31,354.59 and 68,360.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,354.59 : 68,360.63 = 68,360.63 : x
2. Step 2: Convert to fraction form
   31,354.59/68,360.63 = 68,360.63/x
3. Step 3: Cross multiply
   31,354.59x = 68,360.63 × 68,360.63
4. Step 4: Simplify right side
   31,354.59x = 4,673,175,050.39
5. Step 5: Solve for x
   x = 4,673,175,050.39/31,354.59
6. Step 6: Final answer
   x = 149,042.76