Finding the Third Proportional to 115,312.50 and 250,308

Step by Step Solution

1. Step 1: Write the proportion equation
   115,312.50 : 250,308 = 250,308 : x
2. Step 2: Convert to fraction form
   115,312.50/250,308 = 250,308/x
3. Step 3: Cross multiply
   115,312.50x = 250,308 × 250,308
4. Step 4: Simplify right side
   115,312.50x = 62,654,094,864
5. Step 5: Solve for x
   x = 62,654,094,864/115,312.50
6. Step 6: Final answer
   x = 543,341.74