Finding the Third Proportional to 3,591,731 and 5,576,461.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591,731 : 5,576,461.50 = 5,576,461.50 : x
2. Step 2: Convert to fraction form
   3,591,731/5,576,461.50 = 5,576,461.50/x
3. Step 3: Cross multiply
   3,591,731x = 5,576,461.50 × 5,576,461.50
4. Step 4: Simplify right side
   3,591,731x = 31,096,922,860,982.25
5. Step 5: Solve for x
   x = 31,096,922,860,982.25/3,591,731
6. Step 6: Final answer
   x = 8,657,920.89