Finding the Third Proportional to 387,748.50 and 568,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   387,748.50 : 568,105.50 = 568,105.50 : x
2. Step 2: Convert to fraction form
   387,748.50/568,105.50 = 568,105.50/x
3. Step 3: Cross multiply
   387,748.50x = 568,105.50 × 568,105.50
4. Step 4: Simplify right side
   387,748.50x = 322,743,859,130.25
5. Step 5: Solve for x
   x = 322,743,859,130.25/387,748.50
6. Step 6: Final answer
   x = 832,353.60