Finding the Third Proportional to 329,413 and 719,250

Step by Step Solution

1. Step 1: Write the proportion equation
   329,413 : 719,250 = 719,250 : x
2. Step 2: Convert to fraction form
   329,413/719,250 = 719,250/x
3. Step 3: Cross multiply
   329,413x = 719,250 × 719,250
4. Step 4: Simplify right side
   329,413x = 517,320,562,500
5. Step 5: Solve for x
   x = 517,320,562,500/329,413
6. Step 6: Final answer
   x = 1,570,431.53