Finding the Third Proportional to 74,438 and 111,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,438 : 111,670.50 = 111,670.50 : x
2. Step 2: Convert to fraction form
   74,438/111,670.50 = 111,670.50/x
3. Step 3: Cross multiply
   74,438x = 111,670.50 × 111,670.50
4. Step 4: Simplify right side
   74,438x = 12,470,300,570.25
5. Step 5: Solve for x
   x = 12,470,300,570.25/74,438
6. Step 6: Final answer
   x = 167,526.00