Finding the Third Proportional to 142,074 and 219,444

Step by Step Solution

1. Step 1: Write the proportion equation
   142,074 : 219,444 = 219,444 : x
2. Step 2: Convert to fraction form
   142,074/219,444 = 219,444/x
3. Step 3: Cross multiply
   142,074x = 219,444 × 219,444
4. Step 4: Simplify right side
   142,074x = 48,155,669,136
5. Step 5: Solve for x
   x = 48,155,669,136/142,074
6. Step 6: Final answer
   x = 338,947.80