Finding the Third Proportional to 405,582 and 938,892

Step by Step Solution

1. Step 1: Write the proportion equation
   405,582 : 938,892 = 938,892 : x
2. Step 2: Convert to fraction form
   405,582/938,892 = 938,892/x
3. Step 3: Cross multiply
   405,582x = 938,892 × 938,892
4. Step 4: Simplify right side
   405,582x = 881,518,187,664
5. Step 5: Solve for x
   x = 881,518,187,664/405,582
6. Step 6: Final answer
   x = 2,173,464.77