Finding the Third Proportional to 351,042 and 501,625.50

Step by Step Solution

1. Step 1: Write the proportion equation
   351,042 : 501,625.50 = 501,625.50 : x
2. Step 2: Convert to fraction form
   351,042/501,625.50 = 501,625.50/x
3. Step 3: Cross multiply
   351,042x = 501,625.50 × 501,625.50
4. Step 4: Simplify right side
   351,042x = 251,628,142,250.25
5. Step 5: Solve for x
   x = 251,628,142,250.25/351,042
6. Step 6: Final answer
   x = 716,803.52