Finding the Third Proportional to 70,807.50 and 110,520

Step by Step Solution

1. Step 1: Write the proportion equation
   70,807.50 : 110,520 = 110,520 : x
2. Step 2: Convert to fraction form
   70,807.50/110,520 = 110,520/x
3. Step 3: Cross multiply
   70,807.50x = 110,520 × 110,520
4. Step 4: Simplify right side
   70,807.50x = 12,214,670,400
5. Step 5: Solve for x
   x = 12,214,670,400/70,807.50
6. Step 6: Final answer
   x = 172,505.32