Finding the Third Proportional to 746,848 and 1,638,832

Step by Step Solution

1. Step 1: Write the proportion equation
   746,848 : 1,638,832 = 1,638,832 : x
2. Step 2: Convert to fraction form
   746,848/1,638,832 = 1,638,832/x
3. Step 3: Cross multiply
   746,848x = 1,638,832 × 1,638,832
4. Step 4: Simplify right side
   746,848x = 2,685,770,324,224
5. Step 5: Solve for x
   x = 2,685,770,324,224/746,848
6. Step 6: Final answer
   x = 3,596,140.48