Finding the Third Proportional to 238,501 and 322,759.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,501 : 322,759.50 = 322,759.50 : x
2. Step 2: Convert to fraction form
   238,501/322,759.50 = 322,759.50/x
3. Step 3: Cross multiply
   238,501x = 322,759.50 × 322,759.50
4. Step 4: Simplify right side
   238,501x = 104,173,694,840.25
5. Step 5: Solve for x
   x = 104,173,694,840.25/238,501
6. Step 6: Final answer
   x = 436,785.15