Finding the Third Proportional to 32,321,171 and 69,770,128

Step by Step Solution

1. Step 1: Write the proportion equation
   32,321,171 : 69,770,128 = 69,770,128 : x
2. Step 2: Convert to fraction form
   32,321,171/69,770,128 = 69,770,128/x
3. Step 3: Cross multiply
   32,321,171x = 69,770,128 × 69,770,128
4. Step 4: Simplify right side
   32,321,171x = 4,867,870,761,136,384
5. Step 5: Solve for x
   x = 4,867,870,761,136,384/32,321,171
6. Step 6: Final answer
   x = 150,609,356.36