Finding the Third Proportional to 31,265.25 and 68,459.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,265.25 : 68,459.63 = 68,459.63 : x
2. Step 2: Convert to fraction form
   31,265.25/68,459.63 = 68,459.63/x
3. Step 3: Cross multiply
   31,265.25x = 68,459.63 × 68,459.63
4. Step 4: Simplify right side
   31,265.25x = 4,686,720,255.14
5. Step 5: Solve for x
   x = 4,686,720,255.14/31,265.25
6. Step 6: Final answer
   x = 149,901.90