Finding the Third Proportional to 243,165 and 523,783.50

Step by Step Solution

1. Step 1: Write the proportion equation
   243,165 : 523,783.50 = 523,783.50 : x
2. Step 2: Convert to fraction form
   243,165/523,783.50 = 523,783.50/x
3. Step 3: Cross multiply
   243,165x = 523,783.50 × 523,783.50
4. Step 4: Simplify right side
   243,165x = 274,349,154,872.25
5. Step 5: Solve for x
   x = 274,349,154,872.25/243,165
6. Step 6: Final answer
   x = 1,128,242.78