Finding the Third Proportional to 31,802.63 and 68,662.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,802.63 : 68,662.69 = 68,662.69 : x
2. Step 2: Convert to fraction form
   31,802.63/68,662.69 = 68,662.69/x
3. Step 3: Cross multiply
   31,802.63x = 68,662.69 × 68,662.69
4. Step 4: Simplify right side
   31,802.63x = 4,714,564,654.72
5. Step 5: Solve for x
   x = 4,714,564,654.72/31,802.63
6. Step 6: Final answer
   x = 148,244.51