Finding the Third Proportional to 108,746 and 153,140

Step by Step Solution

1. Step 1: Write the proportion equation
   108,746 : 153,140 = 153,140 : x
2. Step 2: Convert to fraction form
   108,746/153,140 = 153,140/x
3. Step 3: Cross multiply
   108,746x = 153,140 × 153,140
4. Step 4: Simplify right side
   108,746x = 23,451,859,600
5. Step 5: Solve for x
   x = 23,451,859,600/108,746
6. Step 6: Final answer
   x = 215,657.22