Finding the Third Proportional to 1,377,389 and 2,921,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377,389 : 2,921,512 = 2,921,512 : x
2. Step 2: Convert to fraction form
   1,377,389/2,921,512 = 2,921,512/x
3. Step 3: Cross multiply
   1,377,389x = 2,921,512 × 2,921,512
4. Step 4: Simplify right side
   1,377,389x = 8,535,232,366,144
5. Step 5: Solve for x
   x = 8,535,232,366,144/1,377,389
6. Step 6: Final answer
   x = 6,196,675.28