Finding the Third Proportional to 5,640,836 and 8,593,446

Step by Step Solution

1. Step 1: Write the proportion equation
   5,640,836 : 8,593,446 = 8,593,446 : x
2. Step 2: Convert to fraction form
   5,640,836/8,593,446 = 8,593,446/x
3. Step 3: Cross multiply
   5,640,836x = 8,593,446 × 8,593,446
4. Step 4: Simplify right side
   5,640,836x = 73,847,314,154,916
5. Step 5: Solve for x
   x = 73,847,314,154,916/5,640,836
6. Step 6: Final answer
   x = 13,091,554.90