Finding the Third Proportional to 521,648 and 1,142,926

Step by Step Solution

1. Step 1: Write the proportion equation
   521,648 : 1,142,926 = 1,142,926 : x
2. Step 2: Convert to fraction form
   521,648/1,142,926 = 1,142,926/x
3. Step 3: Cross multiply
   521,648x = 1,142,926 × 1,142,926
4. Step 4: Simplify right side
   521,648x = 1,306,279,841,476
5. Step 5: Solve for x
   x = 1,306,279,841,476/521,648
6. Step 6: Final answer
   x = 2,504,140.42