Finding the Third Proportional to 654,847 and 978,237

Step by Step Solution

1. Step 1: Write the proportion equation
   654,847 : 978,237 = 978,237 : x
2. Step 2: Convert to fraction form
   654,847/978,237 = 978,237/x
3. Step 3: Cross multiply
   654,847x = 978,237 × 978,237
4. Step 4: Simplify right side
   654,847x = 956,947,628,169
5. Step 5: Solve for x
   x = 956,947,628,169/654,847
6. Step 6: Final answer
   x = 1,461,330.09