Finding the Third Proportional to 164,488.50 and 340,641

Step by Step Solution

1. Step 1: Write the proportion equation
   164,488.50 : 340,641 = 340,641 : x
2. Step 2: Convert to fraction form
   164,488.50/340,641 = 340,641/x
3. Step 3: Cross multiply
   164,488.50x = 340,641 × 340,641
4. Step 4: Simplify right side
   164,488.50x = 116,036,290,881
5. Step 5: Solve for x
   x = 116,036,290,881/164,488.50
6. Step 6: Final answer
   x = 705,437.10