Finding the Third Proportional to 487,309.50 and 749,994

Step by Step Solution

1. Step 1: Write the proportion equation
   487,309.50 : 749,994 = 749,994 : x
2. Step 2: Convert to fraction form
   487,309.50/749,994 = 749,994/x
3. Step 3: Cross multiply
   487,309.50x = 749,994 × 749,994
4. Step 4: Simplify right side
   487,309.50x = 562,491,000,036
5. Step 5: Solve for x
   x = 562,491,000,036/487,309.50
6. Step 6: Final answer
   x = 1,154,278.75