Finding the Third Proportional to 162,931.50 and 340,761

Step by Step Solution

1. Step 1: Write the proportion equation
   162,931.50 : 340,761 = 340,761 : x
2. Step 2: Convert to fraction form
   162,931.50/340,761 = 340,761/x
3. Step 3: Cross multiply
   162,931.50x = 340,761 × 340,761
4. Step 4: Simplify right side
   162,931.50x = 116,118,059,121
5. Step 5: Solve for x
   x = 116,118,059,121/162,931.50
6. Step 6: Final answer
   x = 712,680.23