Finding the Third Proportional to 9,774,672 and 21,063,111

Step by Step Solution

1. Step 1: Write the proportion equation
   9,774,672 : 21,063,111 = 21,063,111 : x
2. Step 2: Convert to fraction form
   9,774,672/21,063,111 = 21,063,111/x
3. Step 3: Cross multiply
   9,774,672x = 21,063,111 × 21,063,111
4. Step 4: Simplify right side
   9,774,672x = 443,654,644,998,321
5. Step 5: Solve for x
   x = 443,654,644,998,321/9,774,672
6. Step 6: Final answer
   x = 45,388,187.45