Finding the Third Proportional to 1,521,740 and 3,598,748

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,740 : 3,598,748 = 3,598,748 : x
2. Step 2: Convert to fraction form
   1,521,740/3,598,748 = 3,598,748/x
3. Step 3: Cross multiply
   1,521,740x = 3,598,748 × 3,598,748
4. Step 4: Simplify right side
   1,521,740x = 12,950,987,167,504
5. Step 5: Solve for x
   x = 12,950,987,167,504/1,521,740
6. Step 6: Final answer
   x = 8,510,643.85