Finding the Third Proportional to 146,143 and 314,042.25

Step by Step Solution

1. Step 1: Write the proportion equation
   146,143 : 314,042.25 = 314,042.25 : x
2. Step 2: Convert to fraction form
   146,143/314,042.25 = 314,042.25/x
3. Step 3: Cross multiply
   146,143x = 314,042.25 × 314,042.25
4. Step 4: Simplify right side
   146,143x = 98,622,534,785.06
5. Step 5: Solve for x
   x = 98,622,534,785.06/146,143
6. Step 6: Final answer
   x = 674,835.84