Finding the Third Proportional to 138,607.50 and 303,732

Step by Step Solution

1. Step 1: Write the proportion equation
   138,607.50 : 303,732 = 303,732 : x
2. Step 2: Convert to fraction form
   138,607.50/303,732 = 303,732/x
3. Step 3: Cross multiply
   138,607.50x = 303,732 × 303,732
4. Step 4: Simplify right side
   138,607.50x = 92,253,127,824
5. Step 5: Solve for x
   x = 92,253,127,824/138,607.50
6. Step 6: Final answer
   x = 665,570.97