Finding the Third Proportional to 1,569,377 and 2,221,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,569,377 : 2,221,280 = 2,221,280 : x
2. Step 2: Convert to fraction form
   1,569,377/2,221,280 = 2,221,280/x
3. Step 3: Cross multiply
   1,569,377x = 2,221,280 × 2,221,280
4. Step 4: Simplify right side
   1,569,377x = 4,934,084,838,400
5. Step 5: Solve for x
   x = 4,934,084,838,400/1,569,377
6. Step 6: Final answer
   x = 3,143,976.77