Finding the Third Proportional to 31,507.03 and 69,225.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,507.03 : 69,225.75 = 69,225.75 : x
2. Step 2: Convert to fraction form
   31,507.03/69,225.75 = 69,225.75/x
3. Step 3: Cross multiply
   31,507.03x = 69,225.75 × 69,225.75
4. Step 4: Simplify right side
   31,507.03x = 4,792,204,463.06
5. Step 5: Solve for x
   x = 4,792,204,463.06/31,507.03
6. Step 6: Final answer
   x = 152,099.52