Finding the Third Proportional to 21,900,772 and 50,698,870

Step by Step Solution

1. Step 1: Write the proportion equation
   21,900,772 : 50,698,870 = 50,698,870 : x
2. Step 2: Convert to fraction form
   21,900,772/50,698,870 = 50,698,870/x
3. Step 3: Cross multiply
   21,900,772x = 50,698,870 × 50,698,870
4. Step 4: Simplify right side
   21,900,772x = 2,570,375,419,276,900
5. Step 5: Solve for x
   x = 2,570,375,419,276,900/21,900,772
6. Step 6: Final answer
   x = 117,364,603.37