Finding the Third Proportional to 1,071,628 and 1,455,390

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,628 : 1,455,390 = 1,455,390 : x
2. Step 2: Convert to fraction form
   1,071,628/1,455,390 = 1,455,390/x
3. Step 3: Cross multiply
   1,071,628x = 1,455,390 × 1,455,390
4. Step 4: Simplify right side
   1,071,628x = 2,118,160,052,100
5. Step 5: Solve for x
   x = 2,118,160,052,100/1,071,628
6. Step 6: Final answer
   x = 1,976,581.47