Finding the Third Proportional to 1,140,242 and 2,478,948

Step by Step Solution

1. Step 1: Write the proportion equation
   1,140,242 : 2,478,948 = 2,478,948 : x
2. Step 2: Convert to fraction form
   1,140,242/2,478,948 = 2,478,948/x
3. Step 3: Cross multiply
   1,140,242x = 2,478,948 × 2,478,948
4. Step 4: Simplify right side
   1,140,242x = 6,145,183,186,704
5. Step 5: Solve for x
   x = 6,145,183,186,704/1,140,242
6. Step 6: Final answer
   x = 5,389,367.51