Finding the Third Proportional to 31,927.92 and 68,443.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,927.92 : 68,443.42 = 68,443.42 : x
2. Step 2: Convert to fraction form
   31,927.92/68,443.42 = 68,443.42/x
3. Step 3: Cross multiply
   31,927.92x = 68,443.42 × 68,443.42
4. Step 4: Simplify right side
   31,927.92x = 4,684,501,463.25
5. Step 5: Solve for x
   x = 4,684,501,463.25/31,927.92
6. Step 6: Final answer
   x = 146,721.15