Finding the Third Proportional to 155,468 and 343,606

Step by Step Solution

1. Step 1: Write the proportion equation
   155,468 : 343,606 = 343,606 : x
2. Step 2: Convert to fraction form
   155,468/343,606 = 343,606/x
3. Step 3: Cross multiply
   155,468x = 343,606 × 343,606
4. Step 4: Simplify right side
   155,468x = 118,065,083,236
5. Step 5: Solve for x
   x = 118,065,083,236/155,468
6. Step 6: Final answer
   x = 759,417.26