Finding the Third Proportional to 218,112 and 469,632

Step by Step Solution

1. Step 1: Write the proportion equation
   218,112 : 469,632 = 469,632 : x
2. Step 2: Convert to fraction form
   218,112/469,632 = 469,632/x
3. Step 3: Cross multiply
   218,112x = 469,632 × 469,632
4. Step 4: Simplify right side
   218,112x = 220,554,215,424
5. Step 5: Solve for x
   x = 220,554,215,424/218,112
6. Step 6: Final answer
   x = 1,011,197.07