Finding the Third Proportional to 243,093 and 384,617.25

Step by Step Solution

1. Step 1: Write the proportion equation
   243,093 : 384,617.25 = 384,617.25 : x
2. Step 2: Convert to fraction form
   243,093/384,617.25 = 384,617.25/x
3. Step 3: Cross multiply
   243,093x = 384,617.25 × 384,617.25
4. Step 4: Simplify right side
   243,093x = 147,930,428,997.56
5. Step 5: Solve for x
   x = 147,930,428,997.56/243,093
6. Step 6: Final answer
   x = 608,534.30