Finding the Third Proportional to 163,310 and 351,647.38

Step by Step Solution

1. Step 1: Write the proportion equation
   163,310 : 351,647.38 = 351,647.38 : x
2. Step 2: Convert to fraction form
   163,310/351,647.38 = 351,647.38/x
3. Step 3: Cross multiply
   163,310x = 351,647.38 × 351,647.38
4. Step 4: Simplify right side
   163,310x = 123,655,876,344.39
5. Step 5: Solve for x
   x = 123,655,876,344.39/163,310
6. Step 6: Final answer
   x = 757,184.96