Finding the Third Proportional to 140,419 and 304,483.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,419 : 304,483.50 = 304,483.50 : x
2. Step 2: Convert to fraction form
   140,419/304,483.50 = 304,483.50/x
3. Step 3: Cross multiply
   140,419x = 304,483.50 × 304,483.50
4. Step 4: Simplify right side
   140,419x = 92,710,201,772.25
5. Step 5: Solve for x
   x = 92,710,201,772.25/140,419
6. Step 6: Final answer
   x = 660,239.72