Finding the Third Proportional to 1,521,424 and 2,369,377

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,424 : 2,369,377 = 2,369,377 : x
2. Step 2: Convert to fraction form
   1,521,424/2,369,377 = 2,369,377/x
3. Step 3: Cross multiply
   1,521,424x = 2,369,377 × 2,369,377
4. Step 4: Simplify right side
   1,521,424x = 5,613,947,368,129
5. Step 5: Solve for x
   x = 5,613,947,368,129/1,521,424
6. Step 6: Final answer
   x = 3,689,929.55