Finding the Third Proportional to 1,209,766 and 2,641,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,209,766 : 2,641,142 = 2,641,142 : x
2. Step 2: Convert to fraction form
   1,209,766/2,641,142 = 2,641,142/x
3. Step 3: Cross multiply
   1,209,766x = 2,641,142 × 2,641,142
4. Step 4: Simplify right side
   1,209,766x = 6,975,631,064,164
5. Step 5: Solve for x
   x = 6,975,631,064,164/1,209,766
6. Step 6: Final answer
   x = 5,766,099.45