Finding the Third Proportional to 654,814 and 978,187

Step by Step Solution

1. Step 1: Write the proportion equation
   654,814 : 978,187 = 978,187 : x
2. Step 2: Convert to fraction form
   654,814/978,187 = 978,187/x
3. Step 3: Cross multiply
   654,814x = 978,187 × 978,187
4. Step 4: Simplify right side
   654,814x = 956,849,806,969
5. Step 5: Solve for x
   x = 956,849,806,969/654,814
6. Step 6: Final answer
   x = 1,461,254.35