Finding the Third Proportional to 1,528,992 and 2,138,544

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,992 : 2,138,544 = 2,138,544 : x
2. Step 2: Convert to fraction form
   1,528,992/2,138,544 = 2,138,544/x
3. Step 3: Cross multiply
   1,528,992x = 2,138,544 × 2,138,544
4. Step 4: Simplify right side
   1,528,992x = 4,573,370,439,936
5. Step 5: Solve for x
   x = 4,573,370,439,936/1,528,992
6. Step 6: Final answer
   x = 2,991,101.61