Finding the Third Proportional to 21,900,784 and 50,698,900

Step by Step Solution

1. Step 1: Write the proportion equation
   21,900,784 : 50,698,900 = 50,698,900 : x
2. Step 2: Convert to fraction form
   21,900,784/50,698,900 = 50,698,900/x
3. Step 3: Cross multiply
   21,900,784x = 50,698,900 × 50,698,900
4. Step 4: Simplify right side
   21,900,784x = 2,570,378,461,210,000
5. Step 5: Solve for x
   x = 2,570,378,461,210,000/21,900,784
6. Step 6: Final answer
   x = 117,364,677.96