Finding the Third Proportional to 381,745 and 862,466.50

Step by Step Solution

1. Step 1: Write the proportion equation
   381,745 : 862,466.50 = 862,466.50 : x
2. Step 2: Convert to fraction form
   381,745/862,466.50 = 862,466.50/x
3. Step 3: Cross multiply
   381,745x = 862,466.50 × 862,466.50
4. Step 4: Simplify right side
   381,745x = 743,848,463,622.25
5. Step 5: Solve for x
   x = 743,848,463,622.25/381,745
6. Step 6: Final answer
   x = 1,948,548.02