Finding the Third Proportional to 1,145,928.88 and 2,428,459.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,928.88 : 2,428,459.25 = 2,428,459.25 : x
2. Step 2: Convert to fraction form
   1,145,928.88/2,428,459.25 = 2,428,459.25/x
3. Step 3: Cross multiply
   1,145,928.88x = 2,428,459.25 × 2,428,459.25
4. Step 4: Simplify right side
   1,145,928.88x = 5,897,414,328,910.56
5. Step 5: Solve for x
   x = 5,897,414,328,910.56/1,145,928.88
6. Step 6: Final answer
   x = 5,146,405.21