Finding the Third Proportional to 48,309.75 and 65,080.13

Step by Step Solution

1. Step 1: Write the proportion equation
   48,309.75 : 65,080.13 = 65,080.13 : x
2. Step 2: Convert to fraction form
   48,309.75/65,080.13 = 65,080.13/x
3. Step 3: Cross multiply
   48,309.75x = 65,080.13 × 65,080.13
4. Step 4: Simplify right side
   48,309.75x = 4,235,422,670.02
5. Step 5: Solve for x
   x = 4,235,422,670.02/48,309.75
6. Step 6: Final answer
   x = 87,672.21