Finding the Third Proportional to 112,984 and 223,136

Step by Step Solution

1. Step 1: Write the proportion equation
   112,984 : 223,136 = 223,136 : x
2. Step 2: Convert to fraction form
   112,984/223,136 = 223,136/x
3. Step 3: Cross multiply
   112,984x = 223,136 × 223,136
4. Step 4: Simplify right side
   112,984x = 49,789,674,496
5. Step 5: Solve for x
   x = 49,789,674,496/112,984
6. Step 6: Final answer
   x = 440,678.99