Finding the Third Proportional to 2,572,300 and 3,781,478

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572,300 : 3,781,478 = 3,781,478 : x
2. Step 2: Convert to fraction form
   2,572,300/3,781,478 = 3,781,478/x
3. Step 3: Cross multiply
   2,572,300x = 3,781,478 × 3,781,478
4. Step 4: Simplify right side
   2,572,300x = 14,299,575,864,484
5. Step 5: Solve for x
   x = 14,299,575,864,484/2,572,300
6. Step 6: Final answer
   x = 5,559,062.27