Finding the Third Proportional to 1,090,240 and 1,645,188

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090,240 : 1,645,188 = 1,645,188 : x
2. Step 2: Convert to fraction form
   1,090,240/1,645,188 = 1,645,188/x
3. Step 3: Cross multiply
   1,090,240x = 1,645,188 × 1,645,188
4. Step 4: Simplify right side
   1,090,240x = 2,706,643,555,344
5. Step 5: Solve for x
   x = 2,706,643,555,344/1,090,240
6. Step 6: Final answer
   x = 2,482,612.59