Finding the Third Proportional to 2,521,407 and 3,784,690

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521,407 : 3,784,690 = 3,784,690 : x
2. Step 2: Convert to fraction form
   2,521,407/3,784,690 = 3,784,690/x
3. Step 3: Cross multiply
   2,521,407x = 3,784,690 × 3,784,690
4. Step 4: Simplify right side
   2,521,407x = 14,323,878,396,100
5. Step 5: Solve for x
   x = 14,323,878,396,100/2,521,407
6. Step 6: Final answer
   x = 5,680,906.89