Finding the Third Proportional to 249,778.69 and 525,664.69

Step by Step Solution

1. Step 1: Write the proportion equation
   249,778.69 : 525,664.69 = 525,664.69 : x
2. Step 2: Convert to fraction form
   249,778.69/525,664.69 = 525,664.69/x
3. Step 3: Cross multiply
   249,778.69x = 525,664.69 × 525,664.69
4. Step 4: Simplify right side
   249,778.69x = 276,323,363,684.47
5. Step 5: Solve for x
   x = 276,323,363,684.47/249,778.69
6. Step 6: Final answer
   x = 1,106,272.78