Finding the Third Proportional to 12,993,164 and 18,164,696

Step by Step Solution

1. Step 1: Write the proportion equation
   12,993,164 : 18,164,696 = 18,164,696 : x
2. Step 2: Convert to fraction form
   12,993,164/18,164,696 = 18,164,696/x
3. Step 3: Cross multiply
   12,993,164x = 18,164,696 × 18,164,696
4. Step 4: Simplify right side
   12,993,164x = 329,956,180,772,416
5. Step 5: Solve for x
   x = 329,956,180,772,416/12,993,164
6. Step 6: Final answer
   x = 25,394,598.33