Finding the Third Proportional to 106,638 and 246,871.50

Step by Step Solution

1. Step 1: Write the proportion equation
   106,638 : 246,871.50 = 246,871.50 : x
2. Step 2: Convert to fraction form
   106,638/246,871.50 = 246,871.50/x
3. Step 3: Cross multiply
   106,638x = 246,871.50 × 246,871.50
4. Step 4: Simplify right side
   106,638x = 60,945,537,512.25
5. Step 5: Solve for x
   x = 60,945,537,512.25/106,638
6. Step 6: Final answer
   x = 571,518.01