Finding the Third Proportional to 4,287,173 and 9,196,003

Step by Step Solution

1. Step 1: Write the proportion equation
   4,287,173 : 9,196,003 = 9,196,003 : x
2. Step 2: Convert to fraction form
   4,287,173/9,196,003 = 9,196,003/x
3. Step 3: Cross multiply
   4,287,173x = 9,196,003 × 9,196,003
4. Step 4: Simplify right side
   4,287,173x = 84,566,471,176,009
5. Step 5: Solve for x
   x = 84,566,471,176,009/4,287,173
6. Step 6: Final answer
   x = 19,725,462.72