Finding the Third Proportional to 740,872 and 1,147,916

Step by Step Solution

1. Step 1: Write the proportion equation
   740,872 : 1,147,916 = 1,147,916 : x
2. Step 2: Convert to fraction form
   740,872/1,147,916 = 1,147,916/x
3. Step 3: Cross multiply
   740,872x = 1,147,916 × 1,147,916
4. Step 4: Simplify right side
   740,872x = 1,317,711,143,056
5. Step 5: Solve for x
   x = 1,317,711,143,056/740,872
6. Step 6: Final answer
   x = 1,778,594.88