Finding the Third Proportional to 85,497,150 and 173,373,358

Step by Step Solution

1. Step 1: Write the proportion equation
   85,497,150 : 173,373,358 = 173,373,358 : x
2. Step 2: Convert to fraction form
   85,497,150/173,373,358 = 173,373,358/x
3. Step 3: Cross multiply
   85,497,150x = 173,373,358 × 173,373,358
4. Step 4: Simplify right side
   85,497,150x = 30,058,321,264,196,164
5. Step 5: Solve for x
   x = 30,058,321,264,196,164/85,497,150
6. Step 6: Final answer
   x = 351,571,032.07