Finding the Third Proportional to 52,138.69 and 70,816.78

Step by Step Solution

1. Step 1: Write the proportion equation
   52,138.69 : 70,816.78 = 70,816.78 : x
2. Step 2: Convert to fraction form
   52,138.69/70,816.78 = 70,816.78/x
3. Step 3: Cross multiply
   52,138.69x = 70,816.78 × 70,816.78
4. Step 4: Simplify right side
   52,138.69x = 5,015,016,506.61
5. Step 5: Solve for x
   x = 5,015,016,506.61/52,138.69
6. Step 6: Final answer
   x = 96,186.09