Finding the Third Proportional to 478,616 and 741,003

Step by Step Solution

1. Step 1: Write the proportion equation
   478,616 : 741,003 = 741,003 : x
2. Step 2: Convert to fraction form
   478,616/741,003 = 741,003/x
3. Step 3: Cross multiply
   478,616x = 741,003 × 741,003
4. Step 4: Simplify right side
   478,616x = 549,085,446,009
5. Step 5: Solve for x
   x = 549,085,446,009/478,616
6. Step 6: Final answer
   x = 1,147,235.88