Finding the Third Proportional to 656,539 and 1,428,111

Step by Step Solution

1. Step 1: Write the proportion equation
   656,539 : 1,428,111 = 1,428,111 : x
2. Step 2: Convert to fraction form
   656,539/1,428,111 = 1,428,111/x
3. Step 3: Cross multiply
   656,539x = 1,428,111 × 1,428,111
4. Step 4: Simplify right side
   656,539x = 2,039,501,028,321
5. Step 5: Solve for x
   x = 2,039,501,028,321/656,539
6. Step 6: Final answer
   x = 3,106,443.07