Finding the Third Proportional to 243,384.75 and 363,051

Step by Step Solution

1. Step 1: Write the proportion equation
   243,384.75 : 363,051 = 363,051 : x
2. Step 2: Convert to fraction form
   243,384.75/363,051 = 363,051/x
3. Step 3: Cross multiply
   243,384.75x = 363,051 × 363,051
4. Step 4: Simplify right side
   243,384.75x = 131,806,028,601
5. Step 5: Solve for x
   x = 131,806,028,601/243,384.75
6. Step 6: Final answer
   x = 541,554.18