Finding the Third Proportional to 784,860 and 1,215,018

Step by Step Solution

1. Step 1: Write the proportion equation
   784,860 : 1,215,018 = 1,215,018 : x
2. Step 2: Convert to fraction form
   784,860/1,215,018 = 1,215,018/x
3. Step 3: Cross multiply
   784,860x = 1,215,018 × 1,215,018
4. Step 4: Simplify right side
   784,860x = 1,476,268,740,324
5. Step 5: Solve for x
   x = 1,476,268,740,324/784,860
6. Step 6: Final answer
   x = 1,880,932.57