Finding the Third Proportional to 10,171,972 and 15,257,978

Step by Step Solution

1. Step 1: Write the proportion equation
   10,171,972 : 15,257,978 = 15,257,978 : x
2. Step 2: Convert to fraction form
   10,171,972/15,257,978 = 15,257,978/x
3. Step 3: Cross multiply
   10,171,972x = 15,257,978 × 15,257,978
4. Step 4: Simplify right side
   10,171,972x = 232,805,892,648,484
5. Step 5: Solve for x
   x = 232,805,892,648,484/10,171,972
6. Step 6: Final answer
   x = 22,886,997.00