Finding the Third Proportional to 9,973,412 and 21,541,768

Step by Step Solution

1. Step 1: Write the proportion equation
   9,973,412 : 21,541,768 = 21,541,768 : x
2. Step 2: Convert to fraction form
   9,973,412/21,541,768 = 21,541,768/x
3. Step 3: Cross multiply
   9,973,412x = 21,541,768 × 21,541,768
4. Step 4: Simplify right side
   9,973,412x = 464,047,768,565,824
5. Step 5: Solve for x
   x = 464,047,768,565,824/9,973,412
6. Step 6: Final answer
   x = 46,528,486.80