Finding the Third Proportional to 115,303.50 and 250,290

Step by Step Solution

1. Step 1: Write the proportion equation
   115,303.50 : 250,290 = 250,290 : x
2. Step 2: Convert to fraction form
   115,303.50/250,290 = 250,290/x
3. Step 3: Cross multiply
   115,303.50x = 250,290 × 250,290
4. Step 4: Simplify right side
   115,303.50x = 62,645,084,100
5. Step 5: Solve for x
   x = 62,645,084,100/115,303.50
6. Step 6: Final answer
   x = 543,306.01