Finding the Third Proportional to 79,598,310 and 173,215,290

Step by Step Solution

1. Step 1: Write the proportion equation
   79,598,310 : 173,215,290 = 173,215,290 : x
2. Step 2: Convert to fraction form
   79,598,310/173,215,290 = 173,215,290/x
3. Step 3: Cross multiply
   79,598,310x = 173,215,290 × 173,215,290
4. Step 4: Simplify right side
   79,598,310x = 30,003,536,689,784,100
5. Step 5: Solve for x
   x = 30,003,536,689,784,100/79,598,310
6. Step 6: Final answer
   x = 376,936,855.69