Finding the Third Proportional to 21,882,813 and 50,654,817.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,882,813 : 50,654,817.50 = 50,654,817.50 : x
2. Step 2: Convert to fraction form
   21,882,813/50,654,817.50 = 50,654,817.50/x
3. Step 3: Cross multiply
   21,882,813x = 50,654,817.50 × 50,654,817.50
4. Step 4: Simplify right side
   21,882,813x = 2,565,910,535,958,306
5. Step 5: Solve for x
   x = 2,565,910,535,958,306/21,882,813
6. Step 6: Final answer
   x = 117,256,887.22