Finding the Third Proportional to 1,428,312 and 2,974,992

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,312 : 2,974,992 = 2,974,992 : x
2. Step 2: Convert to fraction form
   1,428,312/2,974,992 = 2,974,992/x
3. Step 3: Cross multiply
   1,428,312x = 2,974,992 × 2,974,992
4. Step 4: Simplify right side
   1,428,312x = 8,850,577,400,064
5. Step 5: Solve for x
   x = 8,850,577,400,064/1,428,312
6. Step 6: Final answer
   x = 6,196,529.47