Finding the Third Proportional to 1,521,426 and 2,369,379

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,426 : 2,369,379 = 2,369,379 : x
2. Step 2: Convert to fraction form
   1,521,426/2,369,379 = 2,369,379/x
3. Step 3: Cross multiply
   1,521,426x = 2,369,379 × 2,369,379
4. Step 4: Simplify right side
   1,521,426x = 5,613,956,845,641
5. Step 5: Solve for x
   x = 5,613,956,845,641/1,521,426
6. Step 6: Final answer
   x = 3,689,930.92