Finding the Third Proportional to 3,690,312 and 7,987,150

Step by Step Solution

1. Step 1: Write the proportion equation
   3,690,312 : 7,987,150 = 7,987,150 : x
2. Step 2: Convert to fraction form
   3,690,312/7,987,150 = 7,987,150/x
3. Step 3: Cross multiply
   3,690,312x = 7,987,150 × 7,987,150
4. Step 4: Simplify right side
   3,690,312x = 63,794,565,122,500
5. Step 5: Solve for x
   x = 63,794,565,122,500/3,690,312
6. Step 6: Final answer
   x = 17,287,038.36