Finding the Third Proportional to 9,997,361,436 and 21,499,291,393.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,997,361,436 : 21,499,291,393.50 = 21,499,291,393.50 : x
2. Step 2: Convert to fraction form
   9,997,361,436/21,499,291,393.50 = 21,499,291,393.50/x
3. Step 3: Cross multiply
   9,997,361,436x = 21,499,291,393.50 × 21,499,291,393.50
4. Step 4: Simplify right side
   9,997,361,436x = 462,219,530,422,623,141,888
5. Step 5: Solve for x
   x = 462,219,530,422,623,141,888/9,997,361,436
6. Step 6: Final answer
   x = 46,234,152,219.22