Finding the Third Proportional to 12,147,426 and 18,627,053

Step by Step Solution

1. Step 1: Write the proportion equation
   12,147,426 : 18,627,053 = 18,627,053 : x
2. Step 2: Convert to fraction form
   12,147,426/18,627,053 = 18,627,053/x
3. Step 3: Cross multiply
   12,147,426x = 18,627,053 × 18,627,053
4. Step 4: Simplify right side
   12,147,426x = 346,967,103,464,809
5. Step 5: Solve for x
   x = 346,967,103,464,809/12,147,426
6. Step 6: Final answer
   x = 28,563,014.38