Finding the Third Proportional to 746,850 and 1,638,828

Step by Step Solution

1. Step 1: Write the proportion equation
   746,850 : 1,638,828 = 1,638,828 : x
2. Step 2: Convert to fraction form
   746,850/1,638,828 = 1,638,828/x
3. Step 3: Cross multiply
   746,850x = 1,638,828 × 1,638,828
4. Step 4: Simplify right side
   746,850x = 2,685,757,213,584
5. Step 5: Solve for x
   x = 2,685,757,213,584/746,850
6. Step 6: Final answer
   x = 3,596,113.29