Finding the Third Proportional to 1,289,098 and 2,807,588

Step by Step Solution

1. Step 1: Write the proportion equation
   1,289,098 : 2,807,588 = 2,807,588 : x
2. Step 2: Convert to fraction form
   1,289,098/2,807,588 = 2,807,588/x
3. Step 3: Cross multiply
   1,289,098x = 2,807,588 × 2,807,588
4. Step 4: Simplify right side
   1,289,098x = 7,882,550,377,744
5. Step 5: Solve for x
   x = 7,882,550,377,744/1,289,098
6. Step 6: Final answer
   x = 6,114,779.77