Finding the Third Proportional to 74,028 and 105,506

Step by Step Solution

1. Step 1: Write the proportion equation
   74,028 : 105,506 = 105,506 : x
2. Step 2: Convert to fraction form
   74,028/105,506 = 105,506/x
3. Step 3: Cross multiply
   74,028x = 105,506 × 105,506
4. Step 4: Simplify right side
   74,028x = 11,131,516,036
5. Step 5: Solve for x
   x = 11,131,516,036/74,028
6. Step 6: Final answer
   x = 150,369.00