Finding the Third Proportional to 359,814 and 528,051

Step by Step Solution

1. Step 1: Write the proportion equation
   359,814 : 528,051 = 528,051 : x
2. Step 2: Convert to fraction form
   359,814/528,051 = 528,051/x
3. Step 3: Cross multiply
   359,814x = 528,051 × 528,051
4. Step 4: Simplify right side
   359,814x = 278,837,858,601
5. Step 5: Solve for x
   x = 278,837,858,601/359,814
6. Step 6: Final answer
   x = 774,950.00