Finding the Third Proportional to 1,379,074 and 2,142,915

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379,074 : 2,142,915 = 2,142,915 : x
2. Step 2: Convert to fraction form
   1,379,074/2,142,915 = 2,142,915/x
3. Step 3: Cross multiply
   1,379,074x = 2,142,915 × 2,142,915
4. Step 4: Simplify right side
   1,379,074x = 4,592,084,697,225
5. Step 5: Solve for x
   x = 4,592,084,697,225/1,379,074
6. Step 6: Final answer
   x = 3,329,831.97