Finding the Third Proportional to 740,868 and 1,147,910

Step by Step Solution

1. Step 1: Write the proportion equation
   740,868 : 1,147,910 = 1,147,910 : x
2. Step 2: Convert to fraction form
   740,868/1,147,910 = 1,147,910/x
3. Step 3: Cross multiply
   740,868x = 1,147,910 × 1,147,910
4. Step 4: Simplify right side
   740,868x = 1,317,697,368,100
5. Step 5: Solve for x
   x = 1,317,697,368,100/740,868
6. Step 6: Final answer
   x = 1,778,585.89