Finding the Third Proportional to 1,205,598 and 1,865,086

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,598 : 1,865,086 = 1,865,086 : x
2. Step 2: Convert to fraction form
   1,205,598/1,865,086 = 1,865,086/x
3. Step 3: Cross multiply
   1,205,598x = 1,865,086 × 1,865,086
4. Step 4: Simplify right side
   1,205,598x = 3,478,545,787,396
5. Step 5: Solve for x
   x = 3,478,545,787,396/1,205,598
6. Step 6: Final answer
   x = 2,885,328.10