Finding the Third Proportional to 12,929,443 and 28,128,914

Step by Step Solution

1. Step 1: Write the proportion equation
   12,929,443 : 28,128,914 = 28,128,914 : x
2. Step 2: Convert to fraction form
   12,929,443/28,128,914 = 28,128,914/x
3. Step 3: Cross multiply
   12,929,443x = 28,128,914 × 28,128,914
4. Step 4: Simplify right side
   12,929,443x = 791,235,802,819,396
5. Step 5: Solve for x
   x = 791,235,802,819,396/12,929,443
6. Step 6: Final answer
   x = 61,196,433.82