Finding the Third Proportional to 91,359.56 and 140,607.56

Step by Step Solution

1. Step 1: Write the proportion equation
   91,359.56 : 140,607.56 = 140,607.56 : x
2. Step 2: Convert to fraction form
   91,359.56/140,607.56 = 140,607.56/x
3. Step 3: Cross multiply
   91,359.56x = 140,607.56 × 140,607.56
4. Step 4: Simplify right side
   91,359.56x = 19,770,486,632.19
5. Step 5: Solve for x
   x = 19,770,486,632.19/91,359.56
6. Step 6: Final answer
   x = 216,403.04