Finding the Third Proportional to 11,856,644 and 25,510,840

Step by Step Solution

1. Step 1: Write the proportion equation
   11,856,644 : 25,510,840 = 25,510,840 : x
2. Step 2: Convert to fraction form
   11,856,644/25,510,840 = 25,510,840/x
3. Step 3: Cross multiply
   11,856,644x = 25,510,840 × 25,510,840
4. Step 4: Simplify right side
   11,856,644x = 650,802,957,505,600
5. Step 5: Solve for x
   x = 650,802,957,505,600/11,856,644
6. Step 6: Final answer
   x = 54,889,305.73