Finding the Third Proportional to 61,485.75 and 145,087.88

Step by Step Solution

1. Step 1: Write the proportion equation
   61,485.75 : 145,087.88 = 145,087.88 : x
2. Step 2: Convert to fraction form
   61,485.75/145,087.88 = 145,087.88/x
3. Step 3: Cross multiply
   61,485.75x = 145,087.88 × 145,087.88
4. Step 4: Simplify right side
   61,485.75x = 21,050,491,472.02
5. Step 5: Solve for x
   x = 21,050,491,472.02/61,485.75
6. Step 6: Final answer
   x = 342,363.74