Finding the Third Proportional to 328,116 and 514,043.25

Step by Step Solution

1. Step 1: Write the proportion equation
   328,116 : 514,043.25 = 514,043.25 : x
2. Step 2: Convert to fraction form
   328,116/514,043.25 = 514,043.25/x
3. Step 3: Cross multiply
   328,116x = 514,043.25 × 514,043.25
4. Step 4: Simplify right side
   328,116x = 264,240,462,870.56
5. Step 5: Solve for x
   x = 264,240,462,870.56/328,116
6. Step 6: Final answer
   x = 805,326.36