Finding the Third Proportional to 12,929,444 and 28,128,916

Step by Step Solution

1. Step 1: Write the proportion equation
   12,929,444 : 28,128,916 = 28,128,916 : x
2. Step 2: Convert to fraction form
   12,929,444/28,128,916 = 28,128,916/x
3. Step 3: Cross multiply
   12,929,444x = 28,128,916 × 28,128,916
4. Step 4: Simplify right side
   12,929,444x = 791,235,915,335,056
5. Step 5: Solve for x
   x = 791,235,915,335,056/12,929,444
6. Step 6: Final answer
   x = 61,196,437.78