Finding the Third Proportional to 8,459,540 and 12,059,454

Step by Step Solution

1. Step 1: Write the proportion equation
   8,459,540 : 12,059,454 = 12,059,454 : x
2. Step 2: Convert to fraction form
   8,459,540/12,059,454 = 12,059,454/x
3. Step 3: Cross multiply
   8,459,540x = 12,059,454 × 12,059,454
4. Step 4: Simplify right side
   8,459,540x = 145,430,430,778,116
5. Step 5: Solve for x
   x = 145,430,430,778,116/8,459,540
6. Step 6: Final answer
   x = 17,191,293.00