Finding the Third Proportional to 368,599.50 and 806,454

Step by Step Solution

1. Step 1: Write the proportion equation
   368,599.50 : 806,454 = 806,454 : x
2. Step 2: Convert to fraction form
   368,599.50/806,454 = 806,454/x
3. Step 3: Cross multiply
   368,599.50x = 806,454 × 806,454
4. Step 4: Simplify right side
   368,599.50x = 650,368,054,116
5. Step 5: Solve for x
   x = 650,368,054,116/368,599.50
6. Step 6: Final answer
   x = 1,764,430.10