Finding the Third Proportional to 1,512,509 and 2,343,126

Step by Step Solution

1. Step 1: Write the proportion equation
   1,512,509 : 2,343,126 = 2,343,126 : x
2. Step 2: Convert to fraction form
   1,512,509/2,343,126 = 2,343,126/x
3. Step 3: Cross multiply
   1,512,509x = 2,343,126 × 2,343,126
4. Step 4: Simplify right side
   1,512,509x = 5,490,239,451,876
5. Step 5: Solve for x
   x = 5,490,239,451,876/1,512,509
6. Step 6: Final answer
   x = 3,629,888.78