Finding the Third Proportional to 175,906.69 and 343,063.69

Step by Step Solution

1. Step 1: Write the proportion equation
   175,906.69 : 343,063.69 = 343,063.69 : x
2. Step 2: Convert to fraction form
   175,906.69/343,063.69 = 343,063.69/x
3. Step 3: Cross multiply
   175,906.69x = 343,063.69 × 343,063.69
4. Step 4: Simplify right side
   175,906.69x = 117,692,693,681.10
5. Step 5: Solve for x
   x = 117,692,693,681.10/175,906.69
6. Step 6: Final answer
   x = 669,063.21