Finding the Third Proportional to 31,881.38 and 46,849.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,881.38 : 46,849.78 = 46,849.78 : x
2. Step 2: Convert to fraction form
   31,881.38/46,849.78 = 46,849.78/x
3. Step 3: Cross multiply
   31,881.38x = 46,849.78 × 46,849.78
4. Step 4: Simplify right side
   31,881.38x = 2,194,902,003.17
5. Step 5: Solve for x
   x = 2,194,902,003.17/31,881.38
6. Step 6: Final answer
   x = 68,845.90