Finding the Third Proportional to 146,216.25 and 314,190

Step by Step Solution

1. Step 1: Write the proportion equation
   146,216.25 : 314,190 = 314,190 : x
2. Step 2: Convert to fraction form
   146,216.25/314,190 = 314,190/x
3. Step 3: Cross multiply
   146,216.25x = 314,190 × 314,190
4. Step 4: Simplify right side
   146,216.25x = 98,715,356,100
5. Step 5: Solve for x
   x = 98,715,356,100/146,216.25
6. Step 6: Final answer
   x = 675,132.59