Finding the Third Proportional to 79,139,210 and 171,814,312

Step by Step Solution

1. Step 1: Write the proportion equation
   79,139,210 : 171,814,312 = 171,814,312 : x
2. Step 2: Convert to fraction form
   79,139,210/171,814,312 = 171,814,312/x
3. Step 3: Cross multiply
   79,139,210x = 171,814,312 × 171,814,312
4. Step 4: Simplify right side
   79,139,210x = 29,520,157,808,033,344
5. Step 5: Solve for x
   x = 29,520,157,808,033,344/79,139,210
6. Step 6: Final answer
   x = 373,015,573.54