Finding the Third Proportional to 19,698,031.50 and 31,467,919.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,698,031.50 : 31,467,919.50 = 31,467,919.50 : x
2. Step 2: Convert to fraction form
   19,698,031.50/31,467,919.50 = 31,467,919.50/x
3. Step 3: Cross multiply
   19,698,031.50x = 31,467,919.50 × 31,467,919.50
4. Step 4: Simplify right side
   19,698,031.50x = 990,229,957,658,480.25
5. Step 5: Solve for x
   x = 990,229,957,658,480.25/19,698,031.50
6. Step 6: Final answer
   x = 50,270,503.31