Finding the Third Proportional to 79,564,838 and 173,920,756

Step by Step Solution

1. Step 1: Write the proportion equation
   79,564,838 : 173,920,756 = 173,920,756 : x
2. Step 2: Convert to fraction form
   79,564,838/173,920,756 = 173,920,756/x
3. Step 3: Cross multiply
   79,564,838x = 173,920,756 × 173,920,756
4. Step 4: Simplify right side
   79,564,838x = 30,248,429,367,611,536
5. Step 5: Solve for x
   x = 30,248,429,367,611,536/79,564,838
6. Step 6: Final answer
   x = 380,173,329.42