Finding the Third Proportional to 243,958 and 380,691.50

Step by Step Solution

1. Step 1: Write the proportion equation
   243,958 : 380,691.50 = 380,691.50 : x
2. Step 2: Convert to fraction form
   243,958/380,691.50 = 380,691.50/x
3. Step 3: Cross multiply
   243,958x = 380,691.50 × 380,691.50
4. Step 4: Simplify right side
   243,958x = 144,926,018,172.25
5. Step 5: Solve for x
   x = 144,926,018,172.25/243,958
6. Step 6: Final answer
   x = 594,061.35