Finding the Third Proportional to 59,298.50 and 91,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,298.50 : 91,718.50 = 91,718.50 : x
2. Step 2: Convert to fraction form
   59,298.50/91,718.50 = 91,718.50/x
3. Step 3: Cross multiply
   59,298.50x = 91,718.50 × 91,718.50
4. Step 4: Simplify right side
   59,298.50x = 8,412,283,242.25
5. Step 5: Solve for x
   x = 8,412,283,242.25/59,298.50
6. Step 6: Final answer
   x = 141,863.34