Finding the Third Proportional to 1,503,572 and 3,131,552

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,572 : 3,131,552 = 3,131,552 : x
2. Step 2: Convert to fraction form
   1,503,572/3,131,552 = 3,131,552/x
3. Step 3: Cross multiply
   1,503,572x = 3,131,552 × 3,131,552
4. Step 4: Simplify right side
   1,503,572x = 9,806,617,928,704
5. Step 5: Solve for x
   x = 9,806,617,928,704/1,503,572
6. Step 6: Final answer
   x = 6,522,213.72