Finding the Third Proportional to 21,900,774 and 50,698,875

Step by Step Solution

1. Step 1: Write the proportion equation
   21,900,774 : 50,698,875 = 50,698,875 : x
2. Step 2: Convert to fraction form
   21,900,774/50,698,875 = 50,698,875/x
3. Step 3: Cross multiply
   21,900,774x = 50,698,875 × 50,698,875
4. Step 4: Simplify right side
   21,900,774x = 2,570,375,926,265,625
5. Step 5: Solve for x
   x = 2,570,375,926,265,625/21,900,774
6. Step 6: Final answer
   x = 117,364,615.80