Finding the Third Proportional to 729,438 and 1,516,860

Step by Step Solution

1. Step 1: Write the proportion equation
   729,438 : 1,516,860 = 1,516,860 : x
2. Step 2: Convert to fraction form
   729,438/1,516,860 = 1,516,860/x
3. Step 3: Cross multiply
   729,438x = 1,516,860 × 1,516,860
4. Step 4: Simplify right side
   729,438x = 2,300,864,259,600
5. Step 5: Solve for x
   x = 2,300,864,259,600/729,438
6. Step 6: Final answer
   x = 3,154,297.23