Finding the Third Proportional to 6,645,069 and 10,850,726

Step by Step Solution

1. Step 1: Write the proportion equation
   6,645,069 : 10,850,726 = 10,850,726 : x
2. Step 2: Convert to fraction form
   6,645,069/10,850,726 = 10,850,726/x
3. Step 3: Cross multiply
   6,645,069x = 10,850,726 × 10,850,726
4. Step 4: Simplify right side
   6,645,069x = 117,738,254,727,076
5. Step 5: Solve for x
   x = 117,738,254,727,076/6,645,069
6. Step 6: Final answer
   x = 17,718,138.78