Finding the Third Proportional to 1,312,343 and 2,729,446

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,343 : 2,729,446 = 2,729,446 : x
2. Step 2: Convert to fraction form
   1,312,343/2,729,446 = 2,729,446/x
3. Step 3: Cross multiply
   1,312,343x = 2,729,446 × 2,729,446
4. Step 4: Simplify right side
   1,312,343x = 7,449,875,466,916
5. Step 5: Solve for x
   x = 7,449,875,466,916/1,312,343
6. Step 6: Final answer
   x = 5,676,774.64