Finding the Third Proportional to 9,997,361,441.25 and 21,499,291,401

Step by Step Solution

1. Step 1: Write the proportion equation
   9,997,361,441.25 : 21,499,291,401 = 21,499,291,401 : x
2. Step 2: Convert to fraction form
   9,997,361,441.25/21,499,291,401 = 21,499,291,401/x
3. Step 3: Cross multiply
   9,997,361,441.25x = 21,499,291,401 × 21,499,291,401
4. Step 4: Simplify right side
   9,997,361,441.25x = 462,219,530,745,112,559,616
5. Step 5: Solve for x
   x = 462,219,530,745,112,559,616/9,997,361,441.25
6. Step 6: Final answer
   x = 46,234,152,227.20