Finding the Third Proportional to 9,988,522 and 21,493,000

Step by Step Solution

1. Step 1: Write the proportion equation
   9,988,522 : 21,493,000 = 21,493,000 : x
2. Step 2: Convert to fraction form
   9,988,522/21,493,000 = 21,493,000/x
3. Step 3: Cross multiply
   9,988,522x = 21,493,000 × 21,493,000
4. Step 4: Simplify right side
   9,988,522x = 461,949,049,000,000
5. Step 5: Solve for x
   x = 461,949,049,000,000/9,988,522
6. Step 6: Final answer
   x = 46,247,988.34