Finding the Third Proportional to 492,536 and 748,735.50

Step by Step Solution

1. Step 1: Write the proportion equation
   492,536 : 748,735.50 = 748,735.50 : x
2. Step 2: Convert to fraction form
   492,536/748,735.50 = 748,735.50/x
3. Step 3: Cross multiply
   492,536x = 748,735.50 × 748,735.50
4. Step 4: Simplify right side
   492,536x = 560,604,848,960.25
5. Step 5: Solve for x
   x = 560,604,848,960.25/492,536
6. Step 6: Final answer
   x = 1,138,200.76