Finding the Third Proportional to 2,591,971.50 and 5,655,606

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591,971.50 : 5,655,606 = 5,655,606 : x
2. Step 2: Convert to fraction form
   2,591,971.50/5,655,606 = 5,655,606/x
3. Step 3: Cross multiply
   2,591,971.50x = 5,655,606 × 5,655,606
4. Step 4: Simplify right side
   2,591,971.50x = 31,985,879,227,236
5. Step 5: Solve for x
   x = 31,985,879,227,236/2,591,971.50
6. Step 6: Final answer
   x = 12,340,366.87