Finding the Third Proportional to 12,997,105 and 28,161,471

Step by Step Solution

1. Step 1: Write the proportion equation
   12,997,105 : 28,161,471 = 28,161,471 : x
2. Step 2: Convert to fraction form
   12,997,105/28,161,471 = 28,161,471/x
3. Step 3: Cross multiply
   12,997,105x = 28,161,471 × 28,161,471
4. Step 4: Simplify right side
   12,997,105x = 793,068,448,883,841
5. Step 5: Solve for x
   x = 793,068,448,883,841/12,997,105
6. Step 6: Final answer
   x = 61,018,853.73