Finding the Third Proportional to 49,619.25 and 80,200.13

Step by Step Solution

1. Step 1: Write the proportion equation
   49,619.25 : 80,200.13 = 80,200.13 : x
2. Step 2: Convert to fraction form
   49,619.25/80,200.13 = 80,200.13/x
3. Step 3: Cross multiply
   49,619.25x = 80,200.13 × 80,200.13
4. Step 4: Simplify right side
   49,619.25x = 6,432,060,050.02
5. Step 5: Solve for x
   x = 6,432,060,050.02/49,619.25
6. Step 6: Final answer
   x = 129,628.32