Finding the Third Proportional to 388,971 and 568,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   388,971 : 568,552.50 = 568,552.50 : x
2. Step 2: Convert to fraction form
   388,971/568,552.50 = 568,552.50/x
3. Step 3: Cross multiply
   388,971x = 568,552.50 × 568,552.50
4. Step 4: Simplify right side
   388,971x = 323,251,945,256.25
5. Step 5: Solve for x
   x = 323,251,945,256.25/388,971
6. Step 6: Final answer
   x = 831,043.82