Finding the Third Proportional to 243,126.56 and 523,705.50

Step by Step Solution

1. Step 1: Write the proportion equation
   243,126.56 : 523,705.50 = 523,705.50 : x
2. Step 2: Convert to fraction form
   243,126.56/523,705.50 = 523,705.50/x
3. Step 3: Cross multiply
   243,126.56x = 523,705.50 × 523,705.50
4. Step 4: Simplify right side
   243,126.56x = 274,267,450,730.25
5. Step 5: Solve for x
   x = 274,267,450,730.25/243,126.56
6. Step 6: Final answer
   x = 1,128,085.09