Finding the Third Proportional to 36,456,422 and 79,171,890

Step by Step Solution

1. Step 1: Write the proportion equation
   36,456,422 : 79,171,890 = 79,171,890 : x
2. Step 2: Convert to fraction form
   36,456,422/79,171,890 = 79,171,890/x
3. Step 3: Cross multiply
   36,456,422x = 79,171,890 × 79,171,890
4. Step 4: Simplify right side
   36,456,422x = 6,268,188,166,172,100
5. Step 5: Solve for x
   x = 6,268,188,166,172,100/36,456,422
6. Step 6: Final answer
   x = 171,936,460.64