Finding the Third Proportional to 1,090,120 and 1,673,315

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090,120 : 1,673,315 = 1,673,315 : x
2. Step 2: Convert to fraction form
   1,090,120/1,673,315 = 1,673,315/x
3. Step 3: Cross multiply
   1,090,120x = 1,673,315 × 1,673,315
4. Step 4: Simplify right side
   1,090,120x = 2,799,983,089,225
5. Step 5: Solve for x
   x = 2,799,983,089,225/1,090,120
6. Step 6: Final answer
   x = 2,568,509.05