Finding the Third Proportional to 64,737 and 140,338.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,737 : 140,338.50 = 140,338.50 : x
2. Step 2: Convert to fraction form
   64,737/140,338.50 = 140,338.50/x
3. Step 3: Cross multiply
   64,737x = 140,338.50 × 140,338.50
4. Step 4: Simplify right side
   64,737x = 19,694,894,582.25
5. Step 5: Solve for x
   x = 19,694,894,582.25/64,737
6. Step 6: Final answer
   x = 304,229.34