Finding the Third Proportional to 601,569 and 802,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   601,569 : 802,777.50 = 802,777.50 : x
2. Step 2: Convert to fraction form
   601,569/802,777.50 = 802,777.50/x
3. Step 3: Cross multiply
   601,569x = 802,777.50 × 802,777.50
4. Step 4: Simplify right side
   601,569x = 644,451,714,506.25
5. Step 5: Solve for x
   x = 644,451,714,506.25/601,569
6. Step 6: Final answer
   x = 1,071,284.78