Finding the Third Proportional to 81,097,821 and 167,944,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,097,821 : 167,944,171.50 = 167,944,171.50 : x
2. Step 2: Convert to fraction form
   81,097,821/167,944,171.50 = 167,944,171.50/x
3. Step 3: Cross multiply
   81,097,821x = 167,944,171.50 × 167,944,171.50
4. Step 4: Simplify right side
   81,097,821x = 28,205,244,740,821,412
5. Step 5: Solve for x
   x = 28,205,244,740,821,412/81,097,821
6. Step 6: Final answer
   x = 347,792,880.17