Finding the Third Proportional to 748,436 and 1,172,724

Step by Step Solution

1. Step 1: Write the proportion equation
   748,436 : 1,172,724 = 1,172,724 : x
2. Step 2: Convert to fraction form
   748,436/1,172,724 = 1,172,724/x
3. Step 3: Cross multiply
   748,436x = 1,172,724 × 1,172,724
4. Step 4: Simplify right side
   748,436x = 1,375,281,580,176
5. Step 5: Solve for x
   x = 1,375,281,580,176/748,436
6. Step 6: Final answer
   x = 1,837,540.66