Finding the Third Proportional to 1,865,340 and 4,024,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865,340 : 4,024,920 = 4,024,920 : x
2. Step 2: Convert to fraction form
   1,865,340/4,024,920 = 4,024,920/x
3. Step 3: Cross multiply
   1,865,340x = 4,024,920 × 4,024,920
4. Step 4: Simplify right side
   1,865,340x = 16,199,981,006,400
5. Step 5: Solve for x
   x = 16,199,981,006,400/1,865,340
6. Step 6: Final answer
   x = 8,684,733.62