Finding the Third Proportional to 10,107,216 and 21,985,317

Step by Step Solution

1. Step 1: Write the proportion equation
   10,107,216 : 21,985,317 = 21,985,317 : x
2. Step 2: Convert to fraction form
   10,107,216/21,985,317 = 21,985,317/x
3. Step 3: Cross multiply
   10,107,216x = 21,985,317 × 21,985,317
4. Step 4: Simplify right side
   10,107,216x = 483,354,163,590,489
5. Step 5: Solve for x
   x = 483,354,163,590,489/10,107,216
6. Step 6: Final answer
   x = 47,822,680.71