Finding the Third Proportional to 3,591,696 and 5,576,420

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591,696 : 5,576,420 = 5,576,420 : x
2. Step 2: Convert to fraction form
   3,591,696/5,576,420 = 5,576,420/x
3. Step 3: Cross multiply
   3,591,696x = 5,576,420 × 5,576,420
4. Step 4: Simplify right side
   3,591,696x = 31,096,460,016,400
5. Step 5: Solve for x
   x = 31,096,460,016,400/3,591,696
6. Step 6: Final answer
   x = 8,657,876.39