Finding the Third Proportional to 609,622 and 905,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   609,622 : 905,601.50 = 905,601.50 : x
2. Step 2: Convert to fraction form
   609,622/905,601.50 = 905,601.50/x
3. Step 3: Cross multiply
   609,622x = 905,601.50 × 905,601.50
4. Step 4: Simplify right side
   609,622x = 820,114,076,802.25
5. Step 5: Solve for x
   x = 820,114,076,802.25/609,622
6. Step 6: Final answer
   x = 1,345,282.94