Finding the Third Proportional to 493,488.50 and 743,881

Step by Step Solution

1. Step 1: Write the proportion equation
   493,488.50 : 743,881 = 743,881 : x
2. Step 2: Convert to fraction form
   493,488.50/743,881 = 743,881/x
3. Step 3: Cross multiply
   493,488.50x = 743,881 × 743,881
4. Step 4: Simplify right side
   493,488.50x = 553,358,942,161
5. Step 5: Solve for x
   x = 553,358,942,161/493,488.50
6. Step 6: Final answer
   x = 1,121,320.85