Finding the Third Proportional to 5,582,188 and 12,019,721

Step by Step Solution

1. Step 1: Write the proportion equation
   5,582,188 : 12,019,721 = 12,019,721 : x
2. Step 2: Convert to fraction form
   5,582,188/12,019,721 = 12,019,721/x
3. Step 3: Cross multiply
   5,582,188x = 12,019,721 × 12,019,721
4. Step 4: Simplify right side
   5,582,188x = 144,473,692,917,841
5. Step 5: Solve for x
   x = 144,473,692,917,841/5,582,188
6. Step 6: Final answer
   x = 25,881,194.42