Finding the Third Proportional to 358,047 and 501,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   358,047 : 501,910.50 = 501,910.50 : x
2. Step 2: Convert to fraction form
   358,047/501,910.50 = 501,910.50/x
3. Step 3: Cross multiply
   358,047x = 501,910.50 × 501,910.50
4. Step 4: Simplify right side
   358,047x = 251,914,150,010.25
5. Step 5: Solve for x
   x = 251,914,150,010.25/358,047
6. Step 6: Final answer
   x = 703,578.44