Finding the Third Proportional to 1,071,408 and 1,455,108

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,408 : 1,455,108 = 1,455,108 : x
2. Step 2: Convert to fraction form
   1,071,408/1,455,108 = 1,455,108/x
3. Step 3: Cross multiply
   1,071,408x = 1,455,108 × 1,455,108
4. Step 4: Simplify right side
   1,071,408x = 2,117,339,291,664
5. Step 5: Solve for x
   x = 2,117,339,291,664/1,071,408
6. Step 6: Final answer
   x = 1,976,221.28