Finding the Third Proportional to 493,488 and 743,880.75

Step by Step Solution

1. Step 1: Write the proportion equation
   493,488 : 743,880.75 = 743,880.75 : x
2. Step 2: Convert to fraction form
   493,488/743,880.75 = 743,880.75/x
3. Step 3: Cross multiply
   493,488x = 743,880.75 × 743,880.75
4. Step 4: Simplify right side
   493,488x = 553,358,570,220.56
5. Step 5: Solve for x
   x = 553,358,570,220.56/493,488
6. Step 6: Final answer
   x = 1,121,321.23