Finding the Third Proportional to 740,870 and 1,147,913

Step by Step Solution

1. Step 1: Write the proportion equation
   740,870 : 1,147,913 = 1,147,913 : x
2. Step 2: Convert to fraction form
   740,870/1,147,913 = 1,147,913/x
3. Step 3: Cross multiply
   740,870x = 1,147,913 × 1,147,913
4. Step 4: Simplify right side
   740,870x = 1,317,704,255,569
5. Step 5: Solve for x
   x = 1,317,704,255,569/740,870
6. Step 6: Final answer
   x = 1,778,590.38