Finding the Third Proportional to 249,786 and 525,685.50

Step by Step Solution

1. Step 1: Write the proportion equation
   249,786 : 525,685.50 = 525,685.50 : x
2. Step 2: Convert to fraction form
   249,786/525,685.50 = 525,685.50/x
3. Step 3: Cross multiply
   249,786x = 525,685.50 × 525,685.50
4. Step 4: Simplify right side
   249,786x = 276,345,244,910.25
5. Step 5: Solve for x
   x = 276,345,244,910.25/249,786
6. Step 6: Final answer
   x = 1,106,328.00