Finding the Third Proportional to 746,885 and 1,638,898

Step by Step Solution

1. Step 1: Write the proportion equation
   746,885 : 1,638,898 = 1,638,898 : x
2. Step 2: Convert to fraction form
   746,885/1,638,898 = 1,638,898/x
3. Step 3: Cross multiply
   746,885x = 1,638,898 × 1,638,898
4. Step 4: Simplify right side
   746,885x = 2,685,986,654,404
5. Step 5: Solve for x
   x = 2,685,986,654,404/746,885
6. Step 6: Final answer
   x = 3,596,251.97