Finding the Third Proportional to 521,748 and 744,348.38

Step by Step Solution

1. Step 1: Write the proportion equation
   521,748 : 744,348.38 = 744,348.38 : x
2. Step 2: Convert to fraction form
   521,748/744,348.38 = 744,348.38/x
3. Step 3: Cross multiply
   521,748x = 744,348.38 × 744,348.38
4. Step 4: Simplify right side
   521,748x = 554,054,503,365.14
5. Step 5: Solve for x
   x = 554,054,503,365.14/521,748
6. Step 6: Final answer
   x = 1,061,919.75