Finding the Third Proportional to 112,857 and 266,395.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,857 : 266,395.50 = 266,395.50 : x
2. Step 2: Convert to fraction form
   112,857/266,395.50 = 266,395.50/x
3. Step 3: Cross multiply
   112,857x = 266,395.50 × 266,395.50
4. Step 4: Simplify right side
   112,857x = 70,966,562,420.25
5. Step 5: Solve for x
   x = 70,966,562,420.25/112,857
6. Step 6: Final answer
   x = 628,818.44