Finding the Third Proportional to 653,150.25 and 989,570.25

Step by Step Solution

1. Step 1: Write the proportion equation
   653,150.25 : 989,570.25 = 989,570.25 : x
2. Step 2: Convert to fraction form
   653,150.25/989,570.25 = 989,570.25/x
3. Step 3: Cross multiply
   653,150.25x = 989,570.25 × 989,570.25
4. Step 4: Simplify right side
   653,150.25x = 979,249,279,685.06
5. Step 5: Solve for x
   x = 979,249,279,685.06/653,150.25
6. Step 6: Final answer
   x = 1,499,271.08