Finding the Third Proportional to 79,139,136 and 171,814,164

Step by Step Solution

1. Step 1: Write the proportion equation
   79,139,136 : 171,814,164 = 171,814,164 : x
2. Step 2: Convert to fraction form
   79,139,136/171,814,164 = 171,814,164/x
3. Step 3: Cross multiply
   79,139,136x = 171,814,164 × 171,814,164
4. Step 4: Simplify right side
   79,139,136x = 29,520,106,951,018,896
5. Step 5: Solve for x
   x = 29,520,106,951,018,896/79,139,136
6. Step 6: Final answer
   x = 373,015,279.71