Finding the Third Proportional to 436,891.50 and 662,103

Step by Step Solution

1. Step 1: Write the proportion equation
   436,891.50 : 662,103 = 662,103 : x
2. Step 2: Convert to fraction form
   436,891.50/662,103 = 662,103/x
3. Step 3: Cross multiply
   436,891.50x = 662,103 × 662,103
4. Step 4: Simplify right side
   436,891.50x = 438,380,382,609
5. Step 5: Solve for x
   x = 438,380,382,609/436,891.50
6. Step 6: Final answer
   x = 1,003,407.90