Finding the Third Proportional to 4,548,213 and 9,951,003

Step by Step Solution

1. Step 1: Write the proportion equation
   4,548,213 : 9,951,003 = 9,951,003 : x
2. Step 2: Convert to fraction form
   4,548,213/9,951,003 = 9,951,003/x
3. Step 3: Cross multiply
   4,548,213x = 9,951,003 × 9,951,003
4. Step 4: Simplify right side
   4,548,213x = 99,022,460,706,009
5. Step 5: Solve for x
   x = 99,022,460,706,009/4,548,213
6. Step 6: Final answer
   x = 21,771,728.96