Finding the Third Proportional to 245,709 and 370,293.75

Step by Step Solution

1. Step 1: Write the proportion equation
   245,709 : 370,293.75 = 370,293.75 : x
2. Step 2: Convert to fraction form
   245,709/370,293.75 = 370,293.75/x
3. Step 3: Cross multiply
   245,709x = 370,293.75 × 370,293.75
4. Step 4: Simplify right side
   245,709x = 137,117,461,289.06
5. Step 5: Solve for x
   x = 137,117,461,289.06/245,709
6. Step 6: Final answer
   x = 558,048.18