Finding the Third Proportional to 245,866.50 and 370,530

Step by Step Solution

1. Step 1: Write the proportion equation
   245,866.50 : 370,530 = 370,530 : x
2. Step 2: Convert to fraction form
   245,866.50/370,530 = 370,530/x
3. Step 3: Cross multiply
   245,866.50x = 370,530 × 370,530
4. Step 4: Simplify right side
   245,866.50x = 137,292,480,900
5. Step 5: Solve for x
   x = 137,292,480,900/245,866.50
6. Step 6: Final answer
   x = 558,402.55