Finding the Third Proportional to 633,720 and 1,409,130

Step by Step Solution

1. Step 1: Write the proportion equation
   633,720 : 1,409,130 = 1,409,130 : x
2. Step 2: Convert to fraction form
   633,720/1,409,130 = 1,409,130/x
3. Step 3: Cross multiply
   633,720x = 1,409,130 × 1,409,130
4. Step 4: Simplify right side
   633,720x = 1,985,647,356,900
5. Step 5: Solve for x
   x = 1,985,647,356,900/633,720
6. Step 6: Final answer
   x = 3,133,319.69