Finding the Third Proportional to 6,142,746 and 13,365,870

Step by Step Solution

1. Step 1: Write the proportion equation
   6,142,746 : 13,365,870 = 13,365,870 : x
2. Step 2: Convert to fraction form
   6,142,746/13,365,870 = 13,365,870/x
3. Step 3: Cross multiply
   6,142,746x = 13,365,870 × 13,365,870
4. Step 4: Simplify right side
   6,142,746x = 178,646,480,856,900
5. Step 5: Solve for x
   x = 178,646,480,856,900/6,142,746
6. Step 6: Final answer
   x = 29,082,511.45