Finding the Third Proportional to 1,335,564 and 3,149,558

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335,564 : 3,149,558 = 3,149,558 : x
2. Step 2: Convert to fraction form
   1,335,564/3,149,558 = 3,149,558/x
3. Step 3: Cross multiply
   1,335,564x = 3,149,558 × 3,149,558
4. Step 4: Simplify right side
   1,335,564x = 9,919,715,595,364
5. Step 5: Solve for x
   x = 9,919,715,595,364/1,335,564
6. Step 6: Final answer
   x = 7,427,360.72