Finding the Third Proportional to 12,993,174 and 18,164,713.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,993,174 : 18,164,713.50 = 18,164,713.50 : x
2. Step 2: Convert to fraction form
   12,993,174/18,164,713.50 = 18,164,713.50/x
3. Step 3: Cross multiply
   12,993,174x = 18,164,713.50 × 18,164,713.50
4. Step 4: Simplify right side
   12,993,174x = 329,956,816,537,082.25
5. Step 5: Solve for x
   x = 329,956,816,537,082.25/12,993,174
6. Step 6: Final answer
   x = 25,394,627.71