Finding the Third Proportional to 71,614.50 and 112,918.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,614.50 : 112,918.50 = 112,918.50 : x
2. Step 2: Convert to fraction form
   71,614.50/112,918.50 = 112,918.50/x
3. Step 3: Cross multiply
   71,614.50x = 112,918.50 × 112,918.50
4. Step 4: Simplify right side
   71,614.50x = 12,750,587,642.25
5. Step 5: Solve for x
   x = 12,750,587,642.25/71,614.50
6. Step 6: Final answer
   x = 178,044.78