Finding the Third Proportional to 12,934,928 and 21,556,916

Step by Step Solution

1. Step 1: Write the proportion equation
   12,934,928 : 21,556,916 = 21,556,916 : x
2. Step 2: Convert to fraction form
   12,934,928/21,556,916 = 21,556,916/x
3. Step 3: Cross multiply
   12,934,928x = 21,556,916 × 21,556,916
4. Step 4: Simplify right side
   12,934,928x = 464,700,627,431,056
5. Step 5: Solve for x
   x = 464,700,627,431,056/12,934,928
6. Step 6: Final answer
   x = 35,926,031.24