Finding the Third Proportional to 31,012.25 and 67,934.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,012.25 : 67,934.63 = 67,934.63 : x
2. Step 2: Convert to fraction form
   31,012.25/67,934.63 = 67,934.63/x
3. Step 3: Cross multiply
   31,012.25x = 67,934.63 × 67,934.63
4. Step 4: Simplify right side
   31,012.25x = 4,615,113,273.89
5. Step 5: Solve for x
   x = 4,615,113,273.89/31,012.25
6. Step 6: Final answer
   x = 148,815.82