Finding the Third Proportional to 9,997,361,440.88 and 21,499,291,400.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,997,361,440.88 : 21,499,291,400.63 = 21,499,291,400.63 : x
2. Step 2: Convert to fraction form
   9,997,361,440.88/21,499,291,400.63 = 21,499,291,400.63/x
3. Step 3: Cross multiply
   9,997,361,440.88x = 21,499,291,400.63 × 21,499,291,400.63
4. Step 4: Simplify right side
   9,997,361,440.88x = 462,219,530,728,988,082,176
5. Step 5: Solve for x
   x = 462,219,530,728,988,082,176/9,997,361,440.88
6. Step 6: Final answer
   x = 46,234,152,227.32