Finding the Third Proportional to 10,219,872 and 22,254,144

Step by Step Solution

1. Step 1: Write the proportion equation
   10,219,872 : 22,254,144 = 22,254,144 : x
2. Step 2: Convert to fraction form
   10,219,872/22,254,144 = 22,254,144/x
3. Step 3: Cross multiply
   10,219,872x = 22,254,144 × 22,254,144
4. Step 4: Simplify right side
   10,219,872x = 495,246,925,172,736
5. Step 5: Solve for x
   x = 495,246,925,172,736/10,219,872
6. Step 6: Final answer
   x = 48,459,210.17