Finding the Third Proportional to 72,814.50 and 97,785.56

Step by Step Solution

1. Step 1: Write the proportion equation
   72,814.50 : 97,785.56 = 97,785.56 : x
2. Step 2: Convert to fraction form
   72,814.50/97,785.56 = 97,785.56/x
3. Step 3: Cross multiply
   72,814.50x = 97,785.56 × 97,785.56
4. Step 4: Simplify right side
   72,814.50x = 9,562,016,233.44
5. Step 5: Solve for x
   x = 9,562,016,233.44/72,814.50
6. Step 6: Final answer
   x = 131,320.22