Finding the Third Proportional to 70,200 and 131,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,200 : 131,449.50 = 131,449.50 : x
2. Step 2: Convert to fraction form
   70,200/131,449.50 = 131,449.50/x
3. Step 3: Cross multiply
   70,200x = 131,449.50 × 131,449.50
4. Step 4: Simplify right side
   70,200x = 17,278,971,050.25
5. Step 5: Solve for x
   x = 17,278,971,050.25/70,200
6. Step 6: Final answer
   x = 246,139.19