Finding the Third Proportional to 1,461,040 and 1,990,355

Step by Step Solution

1. Step 1: Write the proportion equation
   1,461,040 : 1,990,355 = 1,990,355 : x
2. Step 2: Convert to fraction form
   1,461,040/1,990,355 = 1,990,355/x
3. Step 3: Cross multiply
   1,461,040x = 1,990,355 × 1,990,355
4. Step 4: Simplify right side
   1,461,040x = 3,961,513,026,025
5. Step 5: Solve for x
   x = 3,961,513,026,025/1,461,040
6. Step 6: Final answer
   x = 2,711,433.65