Finding the Third Proportional to 1,515,315 and 2,352,663

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,315 : 2,352,663 = 2,352,663 : x
2. Step 2: Convert to fraction form
   1,515,315/2,352,663 = 2,352,663/x
3. Step 3: Cross multiply
   1,515,315x = 2,352,663 × 2,352,663
4. Step 4: Simplify right side
   1,515,315x = 5,535,023,191,569
5. Step 5: Solve for x
   x = 5,535,023,191,569/1,515,315
6. Step 6: Final answer
   x = 3,652,721.18