Finding the Third Proportional to 7,311,215 and 10,221,003

Step by Step Solution

1. Step 1: Write the proportion equation
   7,311,215 : 10,221,003 = 10,221,003 : x
2. Step 2: Convert to fraction form
   7,311,215/10,221,003 = 10,221,003/x
3. Step 3: Cross multiply
   7,311,215x = 10,221,003 × 10,221,003
4. Step 4: Simplify right side
   7,311,215x = 104,468,902,326,009
5. Step 5: Solve for x
   x = 104,468,902,326,009/7,311,215
6. Step 6: Final answer
   x = 14,288,856.55