Finding the Third Proportional to 936,583 and 1,989,788

Step by Step Solution

1. Step 1: Write the proportion equation
   936,583 : 1,989,788 = 1,989,788 : x
2. Step 2: Convert to fraction form
   936,583/1,989,788 = 1,989,788/x
3. Step 3: Cross multiply
   936,583x = 1,989,788 × 1,989,788
4. Step 4: Simplify right side
   936,583x = 3,959,256,284,944
5. Step 5: Solve for x
   x = 3,959,256,284,944/936,583
6. Step 6: Final answer
   x = 4,227,341.61