Finding the Third Proportional to 617,772 and 1,335,475.50

Step by Step Solution

1. Step 1: Write the proportion equation
   617,772 : 1,335,475.50 = 1,335,475.50 : x
2. Step 2: Convert to fraction form
   617,772/1,335,475.50 = 1,335,475.50/x
3. Step 3: Cross multiply
   617,772x = 1,335,475.50 × 1,335,475.50
4. Step 4: Simplify right side
   617,772x = 1,783,494,811,100.25
5. Step 5: Solve for x
   x = 1,783,494,811,100.25/617,772
6. Step 6: Final answer
   x = 2,886,979.03