Finding the Third Proportional to 335,412 and 501,788

Step by Step Solution

1. Step 1: Write the proportion equation
   335,412 : 501,788 = 501,788 : x
2. Step 2: Convert to fraction form
   335,412/501,788 = 501,788/x
3. Step 3: Cross multiply
   335,412x = 501,788 × 501,788
4. Step 4: Simplify right side
   335,412x = 251,791,196,944
5. Step 5: Solve for x
   x = 251,791,196,944/335,412
6. Step 6: Final answer
   x = 750,692.27