Finding the Third Proportional to 151,969.50 and 351,811.69

Step by Step Solution

1. Step 1: Write the proportion equation
   151,969.50 : 351,811.69 = 351,811.69 : x
2. Step 2: Convert to fraction form
   151,969.50/351,811.69 = 351,811.69/x
3. Step 3: Cross multiply
   151,969.50x = 351,811.69 × 351,811.69
4. Step 4: Simplify right side
   151,969.50x = 123,771,463,461.60
5. Step 5: Solve for x
   x = 123,771,463,461.60/151,969.50
6. Step 6: Final answer
   x = 814,449.37