Finding the Third Proportional to 407,484 and 885,090

Step by Step Solution

1. Step 1: Write the proportion equation
   407,484 : 885,090 = 885,090 : x
2. Step 2: Convert to fraction form
   407,484/885,090 = 885,090/x
3. Step 3: Cross multiply
   407,484x = 885,090 × 885,090
4. Step 4: Simplify right side
   407,484x = 783,384,308,100
5. Step 5: Solve for x
   x = 783,384,308,100/407,484
6. Step 6: Final answer
   x = 1,922,490.96