Finding the Third Proportional to 151,842 and 324,702.75

Step by Step Solution

1. Step 1: Write the proportion equation
   151,842 : 324,702.75 = 324,702.75 : x
2. Step 2: Convert to fraction form
   151,842/324,702.75 = 324,702.75/x
3. Step 3: Cross multiply
   151,842x = 324,702.75 × 324,702.75
4. Step 4: Simplify right side
   151,842x = 105,431,875,857.56
5. Step 5: Solve for x
   x = 105,431,875,857.56/151,842
6. Step 6: Final answer
   x = 694,352.52