Finding the Third Proportional to 10,008,103.31 and 21,851,342.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,008,103.31 : 21,851,342.63 = 21,851,342.63 : x
2. Step 2: Convert to fraction form
   10,008,103.31/21,851,342.63 = 21,851,342.63/x
3. Step 3: Cross multiply
   10,008,103.31x = 21,851,342.63 × 21,851,342.63
4. Step 4: Simplify right side
   10,008,103.31x = 477,481,174,515,141.88
5. Step 5: Solve for x
   x = 477,481,174,515,141.88/10,008,103.31
6. Step 6: Final answer
   x = 47,709,456.99