Finding the Third Proportional to 13,142,656 and 28,807,401

Step by Step Solution

1. Step 1: Write the proportion equation
   13,142,656 : 28,807,401 = 28,807,401 : x
2. Step 2: Convert to fraction form
   13,142,656/28,807,401 = 28,807,401/x
3. Step 3: Cross multiply
   13,142,656x = 28,807,401 × 28,807,401
4. Step 4: Simplify right side
   13,142,656x = 829,866,352,374,801
5. Step 5: Solve for x
   x = 829,866,352,374,801/13,142,656
6. Step 6: Final answer
   x = 63,142,971.43