Finding the Third Proportional to 49,565.25 and 79,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,565.25 : 79,807.50 = 79,807.50 : x
2. Step 2: Convert to fraction form
   49,565.25/79,807.50 = 79,807.50/x
3. Step 3: Cross multiply
   49,565.25x = 79,807.50 × 79,807.50
4. Step 4: Simplify right side
   49,565.25x = 6,369,237,056.25
5. Step 5: Solve for x
   x = 6,369,237,056.25/49,565.25
6. Step 6: Final answer
   x = 128,502.07