Finding the Third Proportional to 238,718 and 323,061

Step by Step Solution

1. Step 1: Write the proportion equation
   238,718 : 323,061 = 323,061 : x
2. Step 2: Convert to fraction form
   238,718/323,061 = 323,061/x
3. Step 3: Cross multiply
   238,718x = 323,061 × 323,061
4. Step 4: Simplify right side
   238,718x = 104,368,409,721
5. Step 5: Solve for x
   x = 104,368,409,721/238,718
6. Step 6: Final answer
   x = 437,203.77