Finding the Third Proportional to 203,178 and 479,662.50

Step by Step Solution

1. Step 1: Write the proportion equation
   203,178 : 479,662.50 = 479,662.50 : x
2. Step 2: Convert to fraction form
   203,178/479,662.50 = 479,662.50/x
3. Step 3: Cross multiply
   203,178x = 479,662.50 × 479,662.50
4. Step 4: Simplify right side
   203,178x = 230,076,113,906.25
5. Step 5: Solve for x
   x = 230,076,113,906.25/203,178
6. Step 6: Final answer
   x = 1,132,386.94