Finding the Third Proportional to 45,420.12 and 65,017.69

Step by Step Solution

1. Step 1: Write the proportion equation
   45,420.12 : 65,017.69 = 65,017.69 : x
2. Step 2: Convert to fraction form
   45,420.12/65,017.69 = 65,017.69/x
3. Step 3: Cross multiply
   45,420.12x = 65,017.69 × 65,017.69
4. Step 4: Simplify right side
   45,420.12x = 4,227,299,687.85
5. Step 5: Solve for x
   x = 4,227,299,687.85/45,420.12
6. Step 6: Final answer
   x = 93,071.09