Finding the Third Proportional to 1,331,521 and 2,912,144

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331,521 : 2,912,144 = 2,912,144 : x
2. Step 2: Convert to fraction form
   1,331,521/2,912,144 = 2,912,144/x
3. Step 3: Cross multiply
   1,331,521x = 2,912,144 × 2,912,144
4. Step 4: Simplify right side
   1,331,521x = 8,480,582,676,736
5. Step 5: Solve for x
   x = 8,480,582,676,736/1,331,521
6. Step 6: Final answer
   x = 6,369,094.20