Finding the Third Proportional to 1,423,312 and 3,126,560

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423,312 : 3,126,560 = 3,126,560 : x
2. Step 2: Convert to fraction form
   1,423,312/3,126,560 = 3,126,560/x
3. Step 3: Cross multiply
   1,423,312x = 3,126,560 × 3,126,560
4. Step 4: Simplify right side
   1,423,312x = 9,775,377,433,600
5. Step 5: Solve for x
   x = 9,775,377,433,600/1,423,312
6. Step 6: Final answer
   x = 6,868,049.61