Finding the Third Proportional to 359,822 and 528,063

Step by Step Solution

1. Step 1: Write the proportion equation
   359,822 : 528,063 = 528,063 : x
2. Step 2: Convert to fraction form
   359,822/528,063 = 528,063/x
3. Step 3: Cross multiply
   359,822x = 528,063 × 528,063
4. Step 4: Simplify right side
   359,822x = 278,850,531,969
5. Step 5: Solve for x
   x = 278,850,531,969/359,822
6. Step 6: Final answer
   x = 774,967.99