Finding the Third Proportional to 487,448 and 753,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   487,448 : 753,297.50 = 753,297.50 : x
2. Step 2: Convert to fraction form
   487,448/753,297.50 = 753,297.50/x
3. Step 3: Cross multiply
   487,448x = 753,297.50 × 753,297.50
4. Step 4: Simplify right side
   487,448x = 567,457,123,506.25
5. Step 5: Solve for x
   x = 567,457,123,506.25/487,448
6. Step 6: Final answer
   x = 1,164,138.79