Finding the Third Proportional to 64,174.50 and 139,797

Step by Step Solution

1. Step 1: Write the proportion equation
   64,174.50 : 139,797 = 139,797 : x
2. Step 2: Convert to fraction form
   64,174.50/139,797 = 139,797/x
3. Step 3: Cross multiply
   64,174.50x = 139,797 × 139,797
4. Step 4: Simplify right side
   64,174.50x = 19,543,201,209
5. Step 5: Solve for x
   x = 19,543,201,209/64,174.50
6. Step 6: Final answer
   x = 304,532.19