Finding the Third Proportional to 1,152,939 and 1,642,386

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,939 : 1,642,386 = 1,642,386 : x
2. Step 2: Convert to fraction form
   1,152,939/1,642,386 = 1,642,386/x
3. Step 3: Cross multiply
   1,152,939x = 1,642,386 × 1,642,386
4. Step 4: Simplify right side
   1,152,939x = 2,697,431,772,996
5. Step 5: Solve for x
   x = 2,697,431,772,996/1,152,939
6. Step 6: Final answer
   x = 2,339,613.61