Finding the Third Proportional to 243,582 and 531,313.50

Step by Step Solution

1. Step 1: Write the proportion equation
   243,582 : 531,313.50 = 531,313.50 : x
2. Step 2: Convert to fraction form
   243,582/531,313.50 = 531,313.50/x
3. Step 3: Cross multiply
   243,582x = 531,313.50 × 531,313.50
4. Step 4: Simplify right side
   243,582x = 282,294,035,282.25
5. Step 5: Solve for x
   x = 282,294,035,282.25/243,582
6. Step 6: Final answer
   x = 1,158,928.14