Finding the Third Proportional to 350,731.69 and 528,607.69

Step by Step Solution

1. Step 1: Write the proportion equation
   350,731.69 : 528,607.69 = 528,607.69 : x
2. Step 2: Convert to fraction form
   350,731.69/528,607.69 = 528,607.69/x
3. Step 3: Cross multiply
   350,731.69x = 528,607.69 × 528,607.69
4. Step 4: Simplify right side
   350,731.69x = 279,426,087,284.10
5. Step 5: Solve for x
   x = 279,426,087,284.10/350,731.69
6. Step 6: Final answer
   x = 796,694.73