Finding the Third Proportional to 70,530.75 and 103,540.78

Step by Step Solution

1. Step 1: Write the proportion equation
   70,530.75 : 103,540.78 = 103,540.78 : x
2. Step 2: Convert to fraction form
   70,530.75/103,540.78 = 103,540.78/x
3. Step 3: Cross multiply
   70,530.75x = 103,540.78 × 103,540.78
4. Step 4: Simplify right side
   70,530.75x = 10,720,693,381.86
5. Step 5: Solve for x
   x = 10,720,693,381.86/70,530.75
6. Step 6: Final answer
   x = 152,000.27