Finding the Third Proportional to 297,108 and 403,683.75

Step by Step Solution

1. Step 1: Write the proportion equation
   297,108 : 403,683.75 = 403,683.75 : x
2. Step 2: Convert to fraction form
   297,108/403,683.75 = 403,683.75/x
3. Step 3: Cross multiply
   297,108x = 403,683.75 × 403,683.75
4. Step 4: Simplify right side
   297,108x = 162,960,570,014.06
5. Step 5: Solve for x
   x = 162,960,570,014.06/297,108
6. Step 6: Final answer
   x = 548,489.34