Finding the Third Proportional to 215,926 and 471,154

Step by Step Solution

1. Step 1: Write the proportion equation
   215,926 : 471,154 = 471,154 : x
2. Step 2: Convert to fraction form
   215,926/471,154 = 471,154/x
3. Step 3: Cross multiply
   215,926x = 471,154 × 471,154
4. Step 4: Simplify right side
   215,926x = 221,986,091,716
5. Step 5: Solve for x
   x = 221,986,091,716/215,926
6. Step 6: Final answer
   x = 1,028,065.60