Finding the Third Proportional to 72,333 and 108,428

Step by Step Solution

1. Step 1: Write the proportion equation
   72,333 : 108,428 = 108,428 : x
2. Step 2: Convert to fraction form
   72,333/108,428 = 108,428/x
3. Step 3: Cross multiply
   72,333x = 108,428 × 108,428
4. Step 4: Simplify right side
   72,333x = 11,756,631,184
5. Step 5: Solve for x
   x = 11,756,631,184/72,333
6. Step 6: Final answer
   x = 162,534.82