Finding the Third Proportional to 1,021,372 and 1,431,240

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,372 : 1,431,240 = 1,431,240 : x
2. Step 2: Convert to fraction form
   1,021,372/1,431,240 = 1,431,240/x
3. Step 3: Cross multiply
   1,021,372x = 1,431,240 × 1,431,240
4. Step 4: Simplify right side
   1,021,372x = 2,048,447,937,600
5. Step 5: Solve for x
   x = 2,048,447,937,600/1,021,372
6. Step 6: Final answer
   x = 2,005,584.58