Finding the Third Proportional to 2,138,267 and 4,652,971

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,267 : 4,652,971 = 4,652,971 : x
2. Step 2: Convert to fraction form
   2,138,267/4,652,971 = 4,652,971/x
3. Step 3: Cross multiply
   2,138,267x = 4,652,971 × 4,652,971
4. Step 4: Simplify right side
   2,138,267x = 21,650,139,126,841
5. Step 5: Solve for x
   x = 21,650,139,126,841/2,138,267
6. Step 6: Final answer
   x = 10,125,086.87