Finding the Third Proportional to 674,430 and 1,411,216

Step by Step Solution

1. Step 1: Write the proportion equation
   674,430 : 1,411,216 = 1,411,216 : x
2. Step 2: Convert to fraction form
   674,430/1,411,216 = 1,411,216/x
3. Step 3: Cross multiply
   674,430x = 1,411,216 × 1,411,216
4. Step 4: Simplify right side
   674,430x = 1,991,530,598,656
5. Step 5: Solve for x
   x = 1,991,530,598,656/674,430
6. Step 6: Final answer
   x = 2,952,909.27