Finding the Third Proportional to 749,618 and 1,645,078

Step by Step Solution

1. Step 1: Write the proportion equation
   749,618 : 1,645,078 = 1,645,078 : x
2. Step 2: Convert to fraction form
   749,618/1,645,078 = 1,645,078/x
3. Step 3: Cross multiply
   749,618x = 1,645,078 × 1,645,078
4. Step 4: Simplify right side
   749,618x = 2,706,281,626,084
5. Step 5: Solve for x
   x = 2,706,281,626,084/749,618
6. Step 6: Final answer
   x = 3,610,214.30