Finding the Third Proportional to 328,473 and 708,214.50

Step by Step Solution

1. Step 1: Write the proportion equation
   328,473 : 708,214.50 = 708,214.50 : x
2. Step 2: Convert to fraction form
   328,473/708,214.50 = 708,214.50/x
3. Step 3: Cross multiply
   328,473x = 708,214.50 × 708,214.50
4. Step 4: Simplify right side
   328,473x = 501,567,778,010.25
5. Step 5: Solve for x
   x = 501,567,778,010.25/328,473
6. Step 6: Final answer
   x = 1,526,968.06