Finding the Third Proportional to 79,099,746 and 173,280,558

Step by Step Solution

1. Step 1: Write the proportion equation
   79,099,746 : 173,280,558 = 173,280,558 : x
2. Step 2: Convert to fraction form
   79,099,746/173,280,558 = 173,280,558/x
3. Step 3: Cross multiply
   79,099,746x = 173,280,558 × 173,280,558
4. Step 4: Simplify right side
   79,099,746x = 30,026,151,780,791,364
5. Step 5: Solve for x
   x = 30,026,151,780,791,364/79,099,746
6. Step 6: Final answer
   x = 379,598,586.58