Finding the Third Proportional to 405,061 and 886,369

Step by Step Solution

1. Step 1: Write the proportion equation
   405,061 : 886,369 = 886,369 : x
2. Step 2: Convert to fraction form
   405,061/886,369 = 886,369/x
3. Step 3: Cross multiply
   405,061x = 886,369 × 886,369
4. Step 4: Simplify right side
   405,061x = 785,650,004,161
5. Step 5: Solve for x
   x = 785,650,004,161/405,061
6. Step 6: Final answer
   x = 1,939,584.42