Finding the Third Proportional to 9,871,978 and 22,012,550

Step by Step Solution

1. Step 1: Write the proportion equation
   9,871,978 : 22,012,550 = 22,012,550 : x
2. Step 2: Convert to fraction form
   9,871,978/22,012,550 = 22,012,550/x
3. Step 3: Cross multiply
   9,871,978x = 22,012,550 × 22,012,550
4. Step 4: Simplify right side
   9,871,978x = 484,552,357,502,500
5. Step 5: Solve for x
   x = 484,552,357,502,500/9,871,978
6. Step 6: Final answer
   x = 49,083,613.99