Finding the Third Proportional to 9,887,468 and 21,660,069.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,887,468 : 21,660,069.25 = 21,660,069.25 : x
2. Step 2: Convert to fraction form
   9,887,468/21,660,069.25 = 21,660,069.25/x
3. Step 3: Cross multiply
   9,887,468x = 21,660,069.25 × 21,660,069.25
4. Step 4: Simplify right side
   9,887,468x = 469,158,599,914,795.56
5. Step 5: Solve for x
   x = 469,158,599,914,795.56/9,887,468
6. Step 6: Final answer
   x = 47,449,822.33