Finding the Third Proportional to 74,343.94 and 111,538.69

Step by Step Solution

1. Step 1: Write the proportion equation
   74,343.94 : 111,538.69 = 111,538.69 : x
2. Step 2: Convert to fraction form
   74,343.94/111,538.69 = 111,538.69/x
3. Step 3: Cross multiply
   74,343.94x = 111,538.69 × 111,538.69
4. Step 4: Simplify right side
   74,343.94x = 12,440,878,809.22
5. Step 5: Solve for x
   x = 12,440,878,809.22/74,343.94
6. Step 6: Final answer
   x = 167,342.21