Finding the Third Proportional to 85,475,418 and 173,969,079

Step by Step Solution

1. Step 1: Write the proportion equation
   85,475,418 : 173,969,079 = 173,969,079 : x
2. Step 2: Convert to fraction form
   85,475,418/173,969,079 = 173,969,079/x
3. Step 3: Cross multiply
   85,475,418x = 173,969,079 × 173,969,079
4. Step 4: Simplify right side
   85,475,418x = 30,265,240,448,108,240
5. Step 5: Solve for x
   x = 30,265,240,448,108,240/85,475,418
6. Step 6: Final answer
   x = 354,081,221.90