Finding the Third Proportional to 162,930 and 340,756.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,930 : 340,756.50 = 340,756.50 : x
2. Step 2: Convert to fraction form
   162,930/340,756.50 = 340,756.50/x
3. Step 3: Cross multiply
   162,930x = 340,756.50 × 340,756.50
4. Step 4: Simplify right side
   162,930x = 116,114,992,292.25
5. Step 5: Solve for x
   x = 116,114,992,292.25/162,930
6. Step 6: Final answer
   x = 712,667.97