Finding the Third Proportional to 163,498.50 and 351,945

Step by Step Solution

1. Step 1: Write the proportion equation
   163,498.50 : 351,945 = 351,945 : x
2. Step 2: Convert to fraction form
   163,498.50/351,945 = 351,945/x
3. Step 3: Cross multiply
   163,498.50x = 351,945 × 351,945
4. Step 4: Simplify right side
   163,498.50x = 123,865,283,025
5. Step 5: Solve for x
   x = 123,865,283,025/163,498.50
6. Step 6: Final answer
   x = 757,592.78