Finding the Third Proportional to 978,716 and 1,425,468

Step by Step Solution

1. Step 1: Write the proportion equation
   978,716 : 1,425,468 = 1,425,468 : x
2. Step 2: Convert to fraction form
   978,716/1,425,468 = 1,425,468/x
3. Step 3: Cross multiply
   978,716x = 1,425,468 × 1,425,468
4. Step 4: Simplify right side
   978,716x = 2,031,959,019,024
5. Step 5: Solve for x
   x = 2,031,959,019,024/978,716
6. Step 6: Final answer
   x = 2,076,147.75