Finding the Third Proportional to 21,685,464 and 31,803,852

Step by Step Solution

1. Step 1: Write the proportion equation
   21,685,464 : 31,803,852 = 31,803,852 : x
2. Step 2: Convert to fraction form
   21,685,464/31,803,852 = 31,803,852/x
3. Step 3: Cross multiply
   21,685,464x = 31,803,852 × 31,803,852
4. Step 4: Simplify right side
   21,685,464x = 1,011,485,002,037,904
5. Step 5: Solve for x
   x = 1,011,485,002,037,904/21,685,464
6. Step 6: Final answer
   x = 46,643,456.74