Finding the Third Proportional to 266,017.50 and 401,787

Step by Step Solution

1. Step 1: Write the proportion equation
   266,017.50 : 401,787 = 401,787 : x
2. Step 2: Convert to fraction form
   266,017.50/401,787 = 401,787/x
3. Step 3: Cross multiply
   266,017.50x = 401,787 × 401,787
4. Step 4: Simplify right side
   266,017.50x = 161,432,793,369
5. Step 5: Solve for x
   x = 161,432,793,369/266,017.50
6. Step 6: Final answer
   x = 606,850.28