Finding the Third Proportional to 9,978,922 and 13,903,152

Step by Step Solution

1. Step 1: Write the proportion equation
   9,978,922 : 13,903,152 = 13,903,152 : x
2. Step 2: Convert to fraction form
   9,978,922/13,903,152 = 13,903,152/x
3. Step 3: Cross multiply
   9,978,922x = 13,903,152 × 13,903,152
4. Step 4: Simplify right side
   9,978,922x = 193,297,635,535,104
5. Step 5: Solve for x
   x = 193,297,635,535,104/9,978,922
6. Step 6: Final answer
   x = 19,370,592.89