Finding the Third Proportional to 31,230.56 and 68,004.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,230.56 : 68,004.56 = 68,004.56 : x
2. Step 2: Convert to fraction form
   31,230.56/68,004.56 = 68,004.56/x
3. Step 3: Cross multiply
   31,230.56x = 68,004.56 × 68,004.56
4. Step 4: Simplify right side
   31,230.56x = 4,624,620,520.82
5. Step 5: Solve for x
   x = 4,624,620,520.82/31,230.56
6. Step 6: Final answer
   x = 148,079.96