Finding the Third Proportional to 653,027 and 989,398.50

Step by Step Solution

1. Step 1: Write the proportion equation
   653,027 : 989,398.50 = 989,398.50 : x
2. Step 2: Convert to fraction form
   653,027/989,398.50 = 989,398.50/x
3. Step 3: Cross multiply
   653,027x = 989,398.50 × 989,398.50
4. Step 4: Simplify right side
   653,027x = 978,909,391,802.25
5. Step 5: Solve for x
   x = 978,909,391,802.25/653,027
6. Step 6: Final answer
   x = 1,499,033.56