Finding the Third Proportional to 74,421 and 111,800.25

Step by Step Solution

1. Step 1: Write the proportion equation
   74,421 : 111,800.25 = 111,800.25 : x
2. Step 2: Convert to fraction form
   74,421/111,800.25 = 111,800.25/x
3. Step 3: Cross multiply
   74,421x = 111,800.25 × 111,800.25
4. Step 4: Simplify right side
   74,421x = 12,499,295,900.06
5. Step 5: Solve for x
   x = 12,499,295,900.06/74,421
6. Step 6: Final answer
   x = 167,953.88