Finding the Third Proportional to 159,694 and 340,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,694 : 340,812.50 = 340,812.50 : x
2. Step 2: Convert to fraction form
   159,694/340,812.50 = 340,812.50/x
3. Step 3: Cross multiply
   159,694x = 340,812.50 × 340,812.50
4. Step 4: Simplify right side
   159,694x = 116,153,160,156.25
5. Step 5: Solve for x
   x = 116,153,160,156.25/159,694
6. Step 6: Final answer
   x = 727,348.30