Finding the Third Proportional to 35,406 and 72,445

Step by Step Solution

1. Step 1: Write the proportion equation
   35,406 : 72,445 = 72,445 : x
2. Step 2: Convert to fraction form
   35,406/72,445 = 72,445/x
3. Step 3: Cross multiply
   35,406x = 72,445 × 72,445
4. Step 4: Simplify right side
   35,406x = 5,248,278,025
5. Step 5: Solve for x
   x = 5,248,278,025/35,406
6. Step 6: Final answer
   x = 148,231.32