Finding the Third Proportional to 70,868.25 and 108,742.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,868.25 : 108,742.50 = 108,742.50 : x
2. Step 2: Convert to fraction form
   70,868.25/108,742.50 = 108,742.50/x
3. Step 3: Cross multiply
   70,868.25x = 108,742.50 × 108,742.50
4. Step 4: Simplify right side
   70,868.25x = 11,824,931,306.25
5. Step 5: Solve for x
   x = 11,824,931,306.25/70,868.25
6. Step 6: Final answer
   x = 166,857.96