Finding the Third Proportional to 216,130 and 471,248

Step by Step Solution

1. Step 1: Write the proportion equation
   216,130 : 471,248 = 471,248 : x
2. Step 2: Convert to fraction form
   216,130/471,248 = 471,248/x
3. Step 3: Cross multiply
   216,130x = 471,248 × 471,248
4. Step 4: Simplify right side
   216,130x = 222,074,677,504
5. Step 5: Solve for x
   x = 222,074,677,504/216,130
6. Step 6: Final answer
   x = 1,027,505.10