Finding the Third Proportional to 61,200.56 and 91,443.94

Step by Step Solution

1. Step 1: Write the proportion equation
   61,200.56 : 91,443.94 = 91,443.94 : x
2. Step 2: Convert to fraction form
   61,200.56/91,443.94 = 91,443.94/x
3. Step 3: Cross multiply
   61,200.56x = 91,443.94 × 91,443.94
4. Step 4: Simplify right side
   61,200.56x = 8,361,993,705.50
5. Step 5: Solve for x
   x = 8,361,993,705.50/61,200.56
6. Step 6: Final answer
   x = 136,632.63