Finding the Third Proportional to 12,353,067 and 17,820,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,353,067 : 17,820,931.50 = 17,820,931.50 : x
2. Step 2: Convert to fraction form
   12,353,067/17,820,931.50 = 17,820,931.50/x
3. Step 3: Cross multiply
   12,353,067x = 17,820,931.50 × 17,820,931.50
4. Step 4: Simplify right side
   12,353,067x = 317,585,599,527,692.25
5. Step 5: Solve for x
   x = 317,585,599,527,692.25/12,353,067
6. Step 6: Final answer
   x = 25,709,048.57