Finding the Third Proportional to 215,876 and 471,056

Step by Step Solution

1. Step 1: Write the proportion equation
   215,876 : 471,056 = 471,056 : x
2. Step 2: Convert to fraction form
   215,876/471,056 = 471,056/x
3. Step 3: Cross multiply
   215,876x = 471,056 × 471,056
4. Step 4: Simplify right side
   215,876x = 221,893,755,136
5. Step 5: Solve for x
   x = 221,893,755,136/215,876
6. Step 6: Final answer
   x = 1,027,875.98