Finding the Third Proportional to 152,014 and 323,712

Step by Step Solution

1. Step 1: Write the proportion equation
   152,014 : 323,712 = 323,712 : x
2. Step 2: Convert to fraction form
   152,014/323,712 = 323,712/x
3. Step 3: Cross multiply
   152,014x = 323,712 × 323,712
4. Step 4: Simplify right side
   152,014x = 104,789,458,944
5. Step 5: Solve for x
   x = 104,789,458,944/152,014
6. Step 6: Final answer
   x = 689,340.84