Finding the Third Proportional to 4,869,026 and 7,123,251

Step by Step Solution

1. Step 1: Write the proportion equation
   4,869,026 : 7,123,251 = 7,123,251 : x
2. Step 2: Convert to fraction form
   4,869,026/7,123,251 = 7,123,251/x
3. Step 3: Cross multiply
   4,869,026x = 7,123,251 × 7,123,251
4. Step 4: Simplify right side
   4,869,026x = 50,740,704,809,001
5. Step 5: Solve for x
   x = 50,740,704,809,001/4,869,026
6. Step 6: Final answer
   x = 10,421,120.12