Finding the Third Proportional to 72,069 and 115,789

Step by Step Solution

1. Step 1: Write the proportion equation
   72,069 : 115,789 = 115,789 : x
2. Step 2: Convert to fraction form
   72,069/115,789 = 115,789/x
3. Step 3: Cross multiply
   72,069x = 115,789 × 115,789
4. Step 4: Simplify right side
   72,069x = 13,407,092,521
5. Step 5: Solve for x
   x = 13,407,092,521/72,069
6. Step 6: Final answer
   x = 186,031.34