Finding the Third Proportional to 1,143,513 and 1,683,585

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,513 : 1,683,585 = 1,683,585 : x
2. Step 2: Convert to fraction form
   1,143,513/1,683,585 = 1,683,585/x
3. Step 3: Cross multiply
   1,143,513x = 1,683,585 × 1,683,585
4. Step 4: Simplify right side
   1,143,513x = 2,834,458,452,225
5. Step 5: Solve for x
   x = 2,834,458,452,225/1,143,513
6. Step 6: Final answer
   x = 2,478,728.67