Finding the Third Proportional to 1,071,654 and 1,455,408

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,654 : 1,455,408 = 1,455,408 : x
2. Step 2: Convert to fraction form
   1,071,654/1,455,408 = 1,455,408/x
3. Step 3: Cross multiply
   1,071,654x = 1,455,408 × 1,455,408
4. Step 4: Simplify right side
   1,071,654x = 2,118,212,446,464
5. Step 5: Solve for x
   x = 2,118,212,446,464/1,071,654
6. Step 6: Final answer
   x = 1,976,582.41