Finding the Third Proportional to 9,890,896 and 21,088,244

Step by Step Solution

1. Step 1: Write the proportion equation
   9,890,896 : 21,088,244 = 21,088,244 : x
2. Step 2: Convert to fraction form
   9,890,896/21,088,244 = 21,088,244/x
3. Step 3: Cross multiply
   9,890,896x = 21,088,244 × 21,088,244
4. Step 4: Simplify right side
   9,890,896x = 444,714,035,003,536
5. Step 5: Solve for x
   x = 444,714,035,003,536/9,890,896
6. Step 6: Final answer
   x = 44,961,956.43