Finding the Third Proportional to 12,934,930 and 21,556,919

Step by Step Solution

1. Step 1: Write the proportion equation
   12,934,930 : 21,556,919 = 21,556,919 : x
2. Step 2: Convert to fraction form
   12,934,930/21,556,919 = 21,556,919/x
3. Step 3: Cross multiply
   12,934,930x = 21,556,919 × 21,556,919
4. Step 4: Simplify right side
   12,934,930x = 464,700,756,772,561
5. Step 5: Solve for x
   x = 464,700,756,772,561/12,934,930
6. Step 6: Final answer
   x = 35,926,035.69