Finding the Third Proportional to 9,985,968 and 21,510,112

Step by Step Solution

1. Step 1: Write the proportion equation
   9,985,968 : 21,510,112 = 21,510,112 : x
2. Step 2: Convert to fraction form
   9,985,968/21,510,112 = 21,510,112/x
3. Step 3: Cross multiply
   9,985,968x = 21,510,112 × 21,510,112
4. Step 4: Simplify right side
   9,985,968x = 462,684,918,252,544
5. Step 5: Solve for x
   x = 462,684,918,252,544/9,985,968
6. Step 6: Final answer
   x = 46,333,507.00