Finding the Third Proportional to 1,357,992 and 2,987,160

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357,992 : 2,987,160 = 2,987,160 : x
2. Step 2: Convert to fraction form
   1,357,992/2,987,160 = 2,987,160/x
3. Step 3: Cross multiply
   1,357,992x = 2,987,160 × 2,987,160
4. Step 4: Simplify right side
   1,357,992x = 8,923,124,865,600
5. Step 5: Solve for x
   x = 8,923,124,865,600/1,357,992
6. Step 6: Final answer
   x = 6,570,822.85