Finding the Third Proportional to 153,118 and 325,028

Step by Step Solution

1. Step 1: Write the proportion equation
   153,118 : 325,028 = 325,028 : x
2. Step 2: Convert to fraction form
   153,118/325,028 = 325,028/x
3. Step 3: Cross multiply
   153,118x = 325,028 × 325,028
4. Step 4: Simplify right side
   153,118x = 105,643,200,784
5. Step 5: Solve for x
   x = 105,643,200,784/153,118
6. Step 6: Final answer
   x = 689,946.32