Finding the Third Proportional to 487,317.50 and 753,109

Step by Step Solution

1. Step 1: Write the proportion equation
   487,317.50 : 753,109 = 753,109 : x
2. Step 2: Convert to fraction form
   487,317.50/753,109 = 753,109/x
3. Step 3: Cross multiply
   487,317.50x = 753,109 × 753,109
4. Step 4: Simplify right side
   487,317.50x = 567,173,165,881
5. Step 5: Solve for x
   x = 567,173,165,881/487,317.50
6. Step 6: Final answer
   x = 1,163,867.84