Finding the Third Proportional to 245,722.50 and 370,314

Step by Step Solution

1. Step 1: Write the proportion equation
   245,722.50 : 370,314 = 370,314 : x
2. Step 2: Convert to fraction form
   245,722.50/370,314 = 370,314/x
3. Step 3: Cross multiply
   245,722.50x = 370,314 × 370,314
4. Step 4: Simplify right side
   245,722.50x = 137,132,458,596
5. Step 5: Solve for x
   x = 137,132,458,596/245,722.50
6. Step 6: Final answer
   x = 558,078.56