Finding the Third Proportional to 61,615.69 and 99,200.53

Step by Step Solution

1. Step 1: Write the proportion equation
   61,615.69 : 99,200.53 = 99,200.53 : x
2. Step 2: Convert to fraction form
   61,615.69/99,200.53 = 99,200.53/x
3. Step 3: Cross multiply
   61,615.69x = 99,200.53 × 99,200.53
4. Step 4: Simplify right side
   61,615.69x = 9,840,745,400.28
5. Step 5: Solve for x
   x = 9,840,745,400.28/61,615.69
6. Step 6: Final answer
   x = 159,711.69