Finding the Third Proportional to 3,899,745 and 5,705,208

Step by Step Solution

1. Step 1: Write the proportion equation
   3,899,745 : 5,705,208 = 5,705,208 : x
2. Step 2: Convert to fraction form
   3,899,745/5,705,208 = 5,705,208/x
3. Step 3: Cross multiply
   3,899,745x = 5,705,208 × 5,705,208
4. Step 4: Simplify right side
   3,899,745x = 32,549,398,323,264
5. Step 5: Solve for x
   x = 32,549,398,323,264/3,899,745
6. Step 6: Final answer
   x = 8,346,545.31