Finding the Third Proportional to 1,021,199 and 1,431,025

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,199 : 1,431,025 = 1,431,025 : x
2. Step 2: Convert to fraction form
   1,021,199/1,431,025 = 1,431,025/x
3. Step 3: Cross multiply
   1,021,199x = 1,431,025 × 1,431,025
4. Step 4: Simplify right side
   1,021,199x = 2,047,832,550,625
5. Step 5: Solve for x
   x = 2,047,832,550,625/1,021,199
6. Step 6: Final answer
   x = 2,005,321.74