Finding the Third Proportional to 31,164.75 and 68,070.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,164.75 : 68,070.38 = 68,070.38 : x
2. Step 2: Convert to fraction form
   31,164.75/68,070.38 = 68,070.38/x
3. Step 3: Cross multiply
   31,164.75x = 68,070.38 × 68,070.38
4. Step 4: Simplify right side
   31,164.75x = 4,633,575,952.64
5. Step 5: Solve for x
   x = 4,633,575,952.64/31,164.75
6. Step 6: Final answer
   x = 148,680.03