Finding the Third Proportional to 218,575.50 and 471,588

Step by Step Solution

1. Step 1: Write the proportion equation
   218,575.50 : 471,588 = 471,588 : x
2. Step 2: Convert to fraction form
   218,575.50/471,588 = 471,588/x
3. Step 3: Cross multiply
   218,575.50x = 471,588 × 471,588
4. Step 4: Simplify right side
   218,575.50x = 222,395,241,744
5. Step 5: Solve for x
   x = 222,395,241,744/218,575.50
6. Step 6: Final answer
   x = 1,017,475.62