Finding the Third Proportional to 351,016.50 and 501,606

Step by Step Solution

1. Step 1: Write the proportion equation
   351,016.50 : 501,606 = 501,606 : x
2. Step 2: Convert to fraction form
   351,016.50/501,606 = 501,606/x
3. Step 3: Cross multiply
   351,016.50x = 501,606 × 501,606
4. Step 4: Simplify right side
   351,016.50x = 251,608,579,236
5. Step 5: Solve for x
   x = 251,608,579,236/351,016.50
6. Step 6: Final answer
   x = 716,799.86