Finding the Third Proportional to 746,868 and 1,147,990

Step by Step Solution

1. Step 1: Write the proportion equation
   746,868 : 1,147,990 = 1,147,990 : x
2. Step 2: Convert to fraction form
   746,868/1,147,990 = 1,147,990/x
3. Step 3: Cross multiply
   746,868x = 1,147,990 × 1,147,990
4. Step 4: Simplify right side
   746,868x = 1,317,881,040,100
5. Step 5: Solve for x
   x = 1,317,881,040,100/746,868
6. Step 6: Final answer
   x = 1,764,543.45