Finding the Third Proportional to 2,515,342.50 and 5,429,061

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515,342.50 : 5,429,061 = 5,429,061 : x
2. Step 2: Convert to fraction form
   2,515,342.50/5,429,061 = 5,429,061/x
3. Step 3: Cross multiply
   2,515,342.50x = 5,429,061 × 5,429,061
4. Step 4: Simplify right side
   2,515,342.50x = 29,474,703,341,721
5. Step 5: Solve for x
   x = 29,474,703,341,721/2,515,342.50
6. Step 6: Final answer
   x = 11,717,968.17