Finding the Third Proportional to 1,267,426 and 2,623,429

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,426 : 2,623,429 = 2,623,429 : x
2. Step 2: Convert to fraction form
   1,267,426/2,623,429 = 2,623,429/x
3. Step 3: Cross multiply
   1,267,426x = 2,623,429 × 2,623,429
4. Step 4: Simplify right side
   1,267,426x = 6,882,379,718,041
5. Step 5: Solve for x
   x = 6,882,379,718,041/1,267,426
6. Step 6: Final answer
   x = 5,430,202.41