Finding the Third Proportional to 31,802.94 and 66,875.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,802.94 : 66,875.06 = 66,875.06 : x
2. Step 2: Convert to fraction form
   31,802.94/66,875.06 = 66,875.06/x
3. Step 3: Cross multiply
   31,802.94x = 66,875.06 × 66,875.06
4. Step 4: Simplify right side
   31,802.94x = 4,472,273,984.38
5. Step 5: Solve for x
   x = 4,472,273,984.38/31,802.94
6. Step 6: Final answer
   x = 140,624.56