Finding the Third Proportional to 238,051.50 and 315,929.25

Step by Step Solution

1. Step 1: Write the proportion equation
   238,051.50 : 315,929.25 = 315,929.25 : x
2. Step 2: Convert to fraction form
   238,051.50/315,929.25 = 315,929.25/x
3. Step 3: Cross multiply
   238,051.50x = 315,929.25 × 315,929.25
4. Step 4: Simplify right side
   238,051.50x = 99,811,291,005.56
5. Step 5: Solve for x
   x = 99,811,291,005.56/238,051.50
6. Step 6: Final answer
   x = 419,284.44