Finding the Third Proportional to 1,106,390 and 1,669,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106,390 : 1,669,760 = 1,669,760 : x
2. Step 2: Convert to fraction form
   1,106,390/1,669,760 = 1,669,760/x
3. Step 3: Cross multiply
   1,106,390x = 1,669,760 × 1,669,760
4. Step 4: Simplify right side
   1,106,390x = 2,788,098,457,600
5. Step 5: Solve for x
   x = 2,788,098,457,600/1,106,390
6. Step 6: Final answer
   x = 2,519,996.08