Finding the Third Proportional to 1,186,440 and 2,799,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,186,440 : 2,799,512 = 2,799,512 : x
2. Step 2: Convert to fraction form
   1,186,440/2,799,512 = 2,799,512/x
3. Step 3: Cross multiply
   1,186,440x = 2,799,512 × 2,799,512
4. Step 4: Simplify right side
   1,186,440x = 7,837,267,438,144
5. Step 5: Solve for x
   x = 7,837,267,438,144/1,186,440
6. Step 6: Final answer
   x = 6,605,700.62