Finding the Third Proportional to 456,032 and 989,986

Step by Step Solution

1. Step 1: Write the proportion equation
   456,032 : 989,986 = 989,986 : x
2. Step 2: Convert to fraction form
   456,032/989,986 = 989,986/x
3. Step 3: Cross multiply
   456,032x = 989,986 × 989,986
4. Step 4: Simplify right side
   456,032x = 980,072,280,196
5. Step 5: Solve for x
   x = 980,072,280,196/456,032
6. Step 6: Final answer
   x = 2,149,130.50