Finding the Third Proportional to 745,888.50 and 1,628,406

Step by Step Solution

1. Step 1: Write the proportion equation
   745,888.50 : 1,628,406 = 1,628,406 : x
2. Step 2: Convert to fraction form
   745,888.50/1,628,406 = 1,628,406/x
3. Step 3: Cross multiply
   745,888.50x = 1,628,406 × 1,628,406
4. Step 4: Simplify right side
   745,888.50x = 2,651,706,100,836
5. Step 5: Solve for x
   x = 2,651,706,100,836/745,888.50
6. Step 6: Final answer
   x = 3,555,097.18