Finding the Third Proportional to 59,300.50 and 91,721.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,300.50 : 91,721.50 = 91,721.50 : x
2. Step 2: Convert to fraction form
   59,300.50/91,721.50 = 91,721.50/x
3. Step 3: Cross multiply
   59,300.50x = 91,721.50 × 91,721.50
4. Step 4: Simplify right side
   59,300.50x = 8,412,833,562.25
5. Step 5: Solve for x
   x = 8,412,833,562.25/59,300.50
6. Step 6: Final answer
   x = 141,867.84