Finding the Third Proportional to 2,515,393 and 5,429,134

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515,393 : 5,429,134 = 5,429,134 : x
2. Step 2: Convert to fraction form
   2,515,393/5,429,134 = 5,429,134/x
3. Step 3: Cross multiply
   2,515,393x = 5,429,134 × 5,429,134
4. Step 4: Simplify right side
   2,515,393x = 29,475,495,989,956
5. Step 5: Solve for x
   x = 29,475,495,989,956/2,515,393
6. Step 6: Final answer
   x = 11,718,048.03