Finding the Third Proportional to 245,682 and 370,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,682 : 370,255.50 = 370,255.50 : x
2. Step 2: Convert to fraction form
   245,682/370,255.50 = 370,255.50/x
3. Step 3: Cross multiply
   245,682x = 370,255.50 × 370,255.50
4. Step 4: Simplify right side
   245,682x = 137,089,135,280.25
5. Step 5: Solve for x
   x = 137,089,135,280.25/245,682
6. Step 6: Final answer
   x = 557,994.22