Finding the Third Proportional to 72,477 and 102,063

Step by Step Solution

1. Step 1: Write the proportion equation
   72,477 : 102,063 = 102,063 : x
2. Step 2: Convert to fraction form
   72,477/102,063 = 102,063/x
3. Step 3: Cross multiply
   72,477x = 102,063 × 102,063
4. Step 4: Simplify right side
   72,477x = 10,416,855,969
5. Step 5: Solve for x
   x = 10,416,855,969/72,477
6. Step 6: Final answer
   x = 143,726.37