Finding the Third Proportional to 2,112,402 and 4,561,503

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,402 : 4,561,503 = 4,561,503 : x
2. Step 2: Convert to fraction form
   2,112,402/4,561,503 = 4,561,503/x
3. Step 3: Cross multiply
   2,112,402x = 4,561,503 × 4,561,503
4. Step 4: Simplify right side
   2,112,402x = 20,807,309,619,009
5. Step 5: Solve for x
   x = 20,807,309,619,009/2,112,402
6. Step 6: Final answer
   x = 9,850,070.97