Finding the Third Proportional to 103,228 and 145,362

Step by Step Solution

1. Step 1: Write the proportion equation
   103,228 : 145,362 = 145,362 : x
2. Step 2: Convert to fraction form
   103,228/145,362 = 145,362/x
3. Step 3: Cross multiply
   103,228x = 145,362 × 145,362
4. Step 4: Simplify right side
   103,228x = 21,130,111,044
5. Step 5: Solve for x
   x = 21,130,111,044/103,228
6. Step 6: Final answer
   x = 204,693.60