Finding the Third Proportional to 91,751.50 and 141,069.75

Step by Step Solution

1. Step 1: Write the proportion equation
   91,751.50 : 141,069.75 = 141,069.75 : x
2. Step 2: Convert to fraction form
   91,751.50/141,069.75 = 141,069.75/x
3. Step 3: Cross multiply
   91,751.50x = 141,069.75 × 141,069.75
4. Step 4: Simplify right side
   91,751.50x = 19,900,674,365.06
5. Step 5: Solve for x
   x = 19,900,674,365.06/91,751.50
6. Step 6: Final answer
   x = 216,897.54