Finding the Third Proportional to 301,314.25 and 648,753.31

Step by Step Solution

1. Step 1: Write the proportion equation
   301,314.25 : 648,753.31 = 648,753.31 : x
2. Step 2: Convert to fraction form
   301,314.25/648,753.31 = 648,753.31/x
3. Step 3: Cross multiply
   301,314.25x = 648,753.31 × 648,753.31
4. Step 4: Simplify right side
   301,314.25x = 420,880,862,221.95
5. Step 5: Solve for x
   x = 420,880,862,221.95/301,314.25
6. Step 6: Final answer
   x = 1,396,817.01