Finding the Third Proportional to 5,640,717 and 8,593,269

Step by Step Solution

1. Step 1: Write the proportion equation
   5,640,717 : 8,593,269 = 8,593,269 : x
2. Step 2: Convert to fraction form
   5,640,717/8,593,269 = 8,593,269/x
3. Step 3: Cross multiply
   5,640,717x = 8,593,269 × 8,593,269
4. Step 4: Simplify right side
   5,640,717x = 73,844,272,106,361
5. Step 5: Solve for x
   x = 73,844,272,106,361/5,640,717
6. Step 6: Final answer
   x = 13,091,291.78