Finding the Third Proportional to 144,417 and 327,985.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,417 : 327,985.50 = 327,985.50 : x
2. Step 2: Convert to fraction form
   144,417/327,985.50 = 327,985.50/x
3. Step 3: Cross multiply
   144,417x = 327,985.50 × 327,985.50
4. Step 4: Simplify right side
   144,417x = 107,574,488,210.25
5. Step 5: Solve for x
   x = 107,574,488,210.25/144,417
6. Step 6: Final answer
   x = 744,887.99