Finding the Third Proportional to 455,901 and 989,076

Step by Step Solution

1. Step 1: Write the proportion equation
   455,901 : 989,076 = 989,076 : x
2. Step 2: Convert to fraction form
   455,901/989,076 = 989,076/x
3. Step 3: Cross multiply
   455,901x = 989,076 × 989,076
4. Step 4: Simplify right side
   455,901x = 978,271,333,776
5. Step 5: Solve for x
   x = 978,271,333,776/455,901
6. Step 6: Final answer
   x = 2,145,797.74