Finding the Third Proportional to 1,140,756 and 2,478,588

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140,756 : 2,478,588 = 2,478,588 : x
2. Step 2: Convert to fraction form
   1,140,756/2,478,588 = 2,478,588/x
3. Step 3: Cross multiply
   1,140,756x = 2,478,588 × 2,478,588
4. Step 4: Simplify right side
   1,140,756x = 6,143,398,473,744
5. Step 5: Solve for x
   x = 6,143,398,473,744/1,140,756
6. Step 6: Final answer
   x = 5,385,374.68