Finding the Third Proportional to 147,818 and 325,160

Step by Step Solution

1. Step 1: Write the proportion equation
   147,818 : 325,160 = 325,160 : x
2. Step 2: Convert to fraction form
   147,818/325,160 = 325,160/x
3. Step 3: Cross multiply
   147,818x = 325,160 × 325,160
4. Step 4: Simplify right side
   147,818x = 105,729,025,600
5. Step 5: Solve for x
   x = 105,729,025,600/147,818
6. Step 6: Final answer
   x = 715,264.89