Finding the Third Proportional to 453,676 and 978,222

Step by Step Solution

1. Step 1: Write the proportion equation
   453,676 : 978,222 = 978,222 : x
2. Step 2: Convert to fraction form
   453,676/978,222 = 978,222/x
3. Step 3: Cross multiply
   453,676x = 978,222 × 978,222
4. Step 4: Simplify right side
   453,676x = 956,918,281,284
5. Step 5: Solve for x
   x = 956,918,281,284/453,676
6. Step 6: Final answer
   x = 2,109,254.80