Finding the Third Proportional to 1,517,347 and 3,312,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517,347 : 3,312,720 = 3,312,720 : x
2. Step 2: Convert to fraction form
   1,517,347/3,312,720 = 3,312,720/x
3. Step 3: Cross multiply
   1,517,347x = 3,312,720 × 3,312,720
4. Step 4: Simplify right side
   1,517,347x = 10,974,113,798,400
5. Step 5: Solve for x
   x = 10,974,113,798,400/1,517,347
6. Step 6: Final answer
   x = 7,232,435.16