Finding the Third Proportional to 1,915,566 and 2,789,109

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915,566 : 2,789,109 = 2,789,109 : x
2. Step 2: Convert to fraction form
   1,915,566/2,789,109 = 2,789,109/x
3. Step 3: Cross multiply
   1,915,566x = 2,789,109 × 2,789,109
4. Step 4: Simplify right side
   1,915,566x = 7,779,129,013,881
5. Step 5: Solve for x
   x = 7,779,129,013,881/1,915,566
6. Step 6: Final answer
   x = 4,061,008.09