Finding the Third Proportional to 10,085,384 and 21,021,712

Step by Step Solution

1. Step 1: Write the proportion equation
   10,085,384 : 21,021,712 = 21,021,712 : x
2. Step 2: Convert to fraction form
   10,085,384/21,021,712 = 21,021,712/x
3. Step 3: Cross multiply
   10,085,384x = 21,021,712 × 21,021,712
4. Step 4: Simplify right side
   10,085,384x = 441,912,375,410,944
5. Step 5: Solve for x
   x = 441,912,375,410,944/10,085,384
6. Step 6: Final answer
   x = 43,817,109.53