Finding the Third Proportional to 72,789 and 115,749

Step by Step Solution

1. Step 1: Write the proportion equation
   72,789 : 115,749 = 115,749 : x
2. Step 2: Convert to fraction form
   72,789/115,749 = 115,749/x
3. Step 3: Cross multiply
   72,789x = 115,749 × 115,749
4. Step 4: Simplify right side
   72,789x = 13,397,831,001
5. Step 5: Solve for x
   x = 13,397,831,001/72,789
6. Step 6: Final answer
   x = 184,063.95