Finding the Third Proportional to 453,772 and 978,254

Step by Step Solution

1. Step 1: Write the proportion equation
   453,772 : 978,254 = 978,254 : x
2. Step 2: Convert to fraction form
   453,772/978,254 = 978,254/x
3. Step 3: Cross multiply
   453,772x = 978,254 × 978,254
4. Step 4: Simplify right side
   453,772x = 956,980,888,516
5. Step 5: Solve for x
   x = 956,980,888,516/453,772
6. Step 6: Final answer
   x = 2,108,946.54