Finding the Third Proportional to 186,057 and 243,607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   186,057 : 243,607.50 = 243,607.50 : x
2. Step 2: Convert to fraction form
   186,057/243,607.50 = 243,607.50/x
3. Step 3: Cross multiply
   186,057x = 243,607.50 × 243,607.50
4. Step 4: Simplify right side
   186,057x = 59,344,614,056.25
5. Step 5: Solve for x
   x = 59,344,614,056.25/186,057
6. Step 6: Final answer
   x = 318,959.32