Finding the Third Proportional to 21,522,743,315 and 30,295,558,076.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,522,743,315 : 30,295,558,076.50 = 30,295,558,076.50 : x
2. Step 2: Convert to fraction form
   21,522,743,315/30,295,558,076.50 = 30,295,558,076.50/x
3. Step 3: Cross multiply
   21,522,743,315x = 30,295,558,076.50 × 30,295,558,076.50
4. Step 4: Simplify right side
   21,522,743,315x = 917,820,839,166,584,422,400
5. Step 5: Solve for x
   x = 917,820,839,166,584,422,400/21,522,743,315
6. Step 6: Final answer
   x = 42,644,231,069.14