Finding the Third Proportional to 215,660 and 469,106

Step by Step Solution

1. Step 1: Write the proportion equation
   215,660 : 469,106 = 469,106 : x
2. Step 2: Convert to fraction form
   215,660/469,106 = 469,106/x
3. Step 3: Cross multiply
   215,660x = 469,106 × 469,106
4. Step 4: Simplify right side
   215,660x = 220,060,439,236
5. Step 5: Solve for x
   x = 220,060,439,236/215,660
6. Step 6: Final answer
   x = 1,020,404.52