Finding the Third Proportional to 1,030,272 and 2,172,416

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030,272 : 2,172,416 = 2,172,416 : x
2. Step 2: Convert to fraction form
   1,030,272/2,172,416 = 2,172,416/x
3. Step 3: Cross multiply
   1,030,272x = 2,172,416 × 2,172,416
4. Step 4: Simplify right side
   1,030,272x = 4,719,391,277,056
5. Step 5: Solve for x
   x = 4,719,391,277,056/1,030,272
6. Step 6: Final answer
   x = 4,580,723.61