Finding the Third Proportional to 1,528,997 and 2,138,774

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,997 : 2,138,774 = 2,138,774 : x
2. Step 2: Convert to fraction form
   1,528,997/2,138,774 = 2,138,774/x
3. Step 3: Cross multiply
   1,528,997x = 2,138,774 × 2,138,774
4. Step 4: Simplify right side
   1,528,997x = 4,574,354,223,076
5. Step 5: Solve for x
   x = 4,574,354,223,076/1,528,997
6. Step 6: Final answer
   x = 2,991,735.25