Finding the Third Proportional to 147,890.25 and 322,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,890.25 : 322,807.50 = 322,807.50 : x
2. Step 2: Convert to fraction form
   147,890.25/322,807.50 = 322,807.50/x
3. Step 3: Cross multiply
   147,890.25x = 322,807.50 × 322,807.50
4. Step 4: Simplify right side
   147,890.25x = 104,204,682,056.25
5. Step 5: Solve for x
   x = 104,204,682,056.25/147,890.25
6. Step 6: Final answer
   x = 704,608.19