Finding the Third Proportional to 45,990.28 and 61,805.53

Step by Step Solution

1. Step 1: Write the proportion equation
   45,990.28 : 61,805.53 = 61,805.53 : x
2. Step 2: Convert to fraction form
   45,990.28/61,805.53 = 61,805.53/x
3. Step 3: Cross multiply
   45,990.28x = 61,805.53 × 61,805.53
4. Step 4: Simplify right side
   45,990.28x = 3,819,923,693.09
5. Step 5: Solve for x
   x = 3,819,923,693.09/45,990.28
6. Step 6: Final answer
   x = 83,059.37