Finding the Third Proportional to 4,385,003 and 9,249,871

Step by Step Solution

1. Step 1: Write the proportion equation
   4,385,003 : 9,249,871 = 9,249,871 : x
2. Step 2: Convert to fraction form
   4,385,003/9,249,871 = 9,249,871/x
3. Step 3: Cross multiply
   4,385,003x = 9,249,871 × 9,249,871
4. Step 4: Simplify right side
   4,385,003x = 85,560,113,516,641
5. Step 5: Solve for x
   x = 85,560,113,516,641/4,385,003
6. Step 6: Final answer
   x = 19,511,985.17