Finding the Third Proportional to 616,925 and 1,428,045

Step by Step Solution

1. Step 1: Write the proportion equation
   616,925 : 1,428,045 = 1,428,045 : x
2. Step 2: Convert to fraction form
   616,925/1,428,045 = 1,428,045/x
3. Step 3: Cross multiply
   616,925x = 1,428,045 × 1,428,045
4. Step 4: Simplify right side
   616,925x = 2,039,312,522,025
5. Step 5: Solve for x
   x = 2,039,312,522,025/616,925
6. Step 6: Final answer
   x = 3,305,608.50