Finding the Third Proportional to 334,923.75 and 438,030

Step by Step Solution

1. Step 1: Write the proportion equation
   334,923.75 : 438,030 = 438,030 : x
2. Step 2: Convert to fraction form
   334,923.75/438,030 = 438,030/x
3. Step 3: Cross multiply
   334,923.75x = 438,030 × 438,030
4. Step 4: Simplify right side
   334,923.75x = 191,870,280,900
5. Step 5: Solve for x
   x = 191,870,280,900/334,923.75
6. Step 6: Final answer
   x = 572,877.50