Finding the Third Proportional to 79,139,208 and 171,814,308

Step by Step Solution

1. Step 1: Write the proportion equation
   79,139,208 : 171,814,308 = 171,814,308 : x
2. Step 2: Convert to fraction form
   79,139,208/171,814,308 = 171,814,308/x
3. Step 3: Cross multiply
   79,139,208x = 171,814,308 × 171,814,308
4. Step 4: Simplify right side
   79,139,208x = 29,520,156,433,518,864
5. Step 5: Solve for x
   x = 29,520,156,433,518,864/79,139,208
6. Step 6: Final answer
   x = 373,015,565.60