Finding the Third Proportional to 243,723.50 and 376,648

Step by Step Solution

1. Step 1: Write the proportion equation
   243,723.50 : 376,648 = 376,648 : x
2. Step 2: Convert to fraction form
   243,723.50/376,648 = 376,648/x
3. Step 3: Cross multiply
   243,723.50x = 376,648 × 376,648
4. Step 4: Simplify right side
   243,723.50x = 141,863,715,904
5. Step 5: Solve for x
   x = 141,863,715,904/243,723.50
6. Step 6: Final answer
   x = 582,068.27