Finding the Third Proportional to 31,816.13 and 62,828.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,816.13 : 62,828.81 = 62,828.81 : x
2. Step 2: Convert to fraction form
   31,816.13/62,828.81 = 62,828.81/x
3. Step 3: Cross multiply
   31,816.13x = 62,828.81 × 62,828.81
4. Step 4: Simplify right side
   31,816.13x = 3,947,459,680.16
5. Step 5: Solve for x
   x = 3,947,459,680.16/31,816.13
6. Step 6: Final answer
   x = 124,071.04