Finding the Third Proportional to 586,504.50 and 1,277,980.50

Step by Step Solution

1. Step 1: Write the proportion equation
   586,504.50 : 1,277,980.50 = 1,277,980.50 : x
2. Step 2: Convert to fraction form
   586,504.50/1,277,980.50 = 1,277,980.50/x
3. Step 3: Cross multiply
   586,504.50x = 1,277,980.50 × 1,277,980.50
4. Step 4: Simplify right side
   586,504.50x = 1,633,234,158,380.25
5. Step 5: Solve for x
   x = 1,633,234,158,380.25/586,504.50
6. Step 6: Final answer
   x = 2,784,691.61