Finding the Third Proportional to 663,251 and 1,421,134

Step by Step Solution

1. Step 1: Write the proportion equation
   663,251 : 1,421,134 = 1,421,134 : x
2. Step 2: Convert to fraction form
   663,251/1,421,134 = 1,421,134/x
3. Step 3: Cross multiply
   663,251x = 1,421,134 × 1,421,134
4. Step 4: Simplify right side
   663,251x = 2,019,621,845,956
5. Step 5: Solve for x
   x = 2,019,621,845,956/663,251
6. Step 6: Final answer
   x = 3,045,034.00