Finding the Third Proportional to 248,358 and 384,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   248,358 : 384,472.50 = 384,472.50 : x
2. Step 2: Convert to fraction form
   248,358/384,472.50 = 384,472.50/x
3. Step 3: Cross multiply
   248,358x = 384,472.50 × 384,472.50
4. Step 4: Simplify right side
   248,358x = 147,819,103,256.25
5. Step 5: Solve for x
   x = 147,819,103,256.25/248,358
6. Step 6: Final answer
   x = 595,185.59