Finding the Third Proportional to 105,112.69 and 147,394.69

Step by Step Solution

1. Step 1: Write the proportion equation
   105,112.69 : 147,394.69 = 147,394.69 : x
2. Step 2: Convert to fraction form
   105,112.69/147,394.69 = 147,394.69/x
3. Step 3: Cross multiply
   105,112.69x = 147,394.69 × 147,394.69
4. Step 4: Simplify right side
   105,112.69x = 21,725,193,903.22
5. Step 5: Solve for x
   x = 21,725,193,903.22/105,112.69
6. Step 6: Final answer
   x = 206,684.79