Finding the Third Proportional to 72,308 and 108,076

Step by Step Solution

1. Step 1: Write the proportion equation
   72,308 : 108,076 = 108,076 : x
2. Step 2: Convert to fraction form
   72,308/108,076 = 108,076/x
3. Step 3: Cross multiply
   72,308x = 108,076 × 108,076
4. Step 4: Simplify right side
   72,308x = 11,680,421,776
5. Step 5: Solve for x
   x = 11,680,421,776/72,308
6. Step 6: Final answer
   x = 161,537.06