Finding the Third Proportional to 790,728 and 1,865,715

Step by Step Solution

1. Step 1: Write the proportion equation
   790,728 : 1,865,715 = 1,865,715 : x
2. Step 2: Convert to fraction form
   790,728/1,865,715 = 1,865,715/x
3. Step 3: Cross multiply
   790,728x = 1,865,715 × 1,865,715
4. Step 4: Simplify right side
   790,728x = 3,480,892,461,225
5. Step 5: Solve for x
   x = 3,480,892,461,225/790,728
6. Step 6: Final answer
   x = 4,402,136.34