Finding the Third Proportional to 108,730 and 153,116

Step by Step Solution

1. Step 1: Write the proportion equation
   108,730 : 153,116 = 153,116 : x
2. Step 2: Convert to fraction form
   108,730/153,116 = 153,116/x
3. Step 3: Cross multiply
   108,730x = 153,116 × 153,116
4. Step 4: Simplify right side
   108,730x = 23,444,509,456
5. Step 5: Solve for x
   x = 23,444,509,456/108,730
6. Step 6: Final answer
   x = 215,621.35