Finding the Third Proportional to 1,432,978 and 2,090,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432,978 : 2,090,392 = 2,090,392 : x
2. Step 2: Convert to fraction form
   1,432,978/2,090,392 = 2,090,392/x
3. Step 3: Cross multiply
   1,432,978x = 2,090,392 × 2,090,392
4. Step 4: Simplify right side
   1,432,978x = 4,369,738,713,664
5. Step 5: Solve for x
   x = 4,369,738,713,664/1,432,978
6. Step 6: Final answer
   x = 3,049,410.89