Finding the Third Proportional to 8,662,130 and 12,109,827

Step by Step Solution

1. Step 1: Write the proportion equation
   8,662,130 : 12,109,827 = 12,109,827 : x
2. Step 2: Convert to fraction form
   8,662,130/12,109,827 = 12,109,827/x
3. Step 3: Cross multiply
   8,662,130x = 12,109,827 × 12,109,827
4. Step 4: Simplify right side
   8,662,130x = 146,647,909,969,929
5. Step 5: Solve for x
   x = 146,647,909,969,929/8,662,130
6. Step 6: Final answer
   x = 16,929,774.77