Finding the Third Proportional to 79,798,955 and 171,907,990

Step by Step Solution

1. Step 1: Write the proportion equation
   79,798,955 : 171,907,990 = 171,907,990 : x
2. Step 2: Convert to fraction form
   79,798,955/171,907,990 = 171,907,990/x
3. Step 3: Cross multiply
   79,798,955x = 171,907,990 × 171,907,990
4. Step 4: Simplify right side
   79,798,955x = 29,552,357,025,840,100
5. Step 5: Solve for x
   x = 29,552,357,025,840,100/79,798,955
6. Step 6: Final answer
   x = 370,335,138.17