Finding the Third Proportional to 1,513,620 and 2,343,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513,620 : 2,343,872 = 2,343,872 : x
2. Step 2: Convert to fraction form
   1,513,620/2,343,872 = 2,343,872/x
3. Step 3: Cross multiply
   1,513,620x = 2,343,872 × 2,343,872
4. Step 4: Simplify right side
   1,513,620x = 5,493,735,952,384
5. Step 5: Solve for x
   x = 5,493,735,952,384/1,513,620
6. Step 6: Final answer
   x = 3,629,534.46