Finding the Third Proportional to 746,862 and 1,638,852

Step by Step Solution

1. Step 1: Write the proportion equation
   746,862 : 1,638,852 = 1,638,852 : x
2. Step 2: Convert to fraction form
   746,862/1,638,852 = 1,638,852/x
3. Step 3: Cross multiply
   746,862x = 1,638,852 × 1,638,852
4. Step 4: Simplify right side
   746,862x = 2,685,835,877,904
5. Step 5: Solve for x
   x = 2,685,835,877,904/746,862
6. Step 6: Final answer
   x = 3,596,160.84