Finding the Third Proportional to 31,714.31 and 69,706.03

Step by Step Solution

1. Step 1: Write the proportion equation
   31,714.31 : 69,706.03 = 69,706.03 : x
2. Step 2: Convert to fraction form
   31,714.31/69,706.03 = 69,706.03/x
3. Step 3: Cross multiply
   31,714.31x = 69,706.03 × 69,706.03
4. Step 4: Simplify right side
   31,714.31x = 4,858,930,792.63
5. Step 5: Solve for x
   x = 4,858,930,792.63/31,714.31
6. Step 6: Final answer
   x = 153,209.40