Finding the Third Proportional to 105,788 and 145,060

Step by Step Solution

1. Step 1: Write the proportion equation
   105,788 : 145,060 = 145,060 : x
2. Step 2: Convert to fraction form
   105,788/145,060 = 145,060/x
3. Step 3: Cross multiply
   105,788x = 145,060 × 145,060
4. Step 4: Simplify right side
   105,788x = 21,042,403,600
5. Step 5: Solve for x
   x = 21,042,403,600/105,788
6. Step 6: Final answer
   x = 198,911.06