Finding the Third Proportional to 9,777,131 and 21,045,250

Step by Step Solution

1. Step 1: Write the proportion equation
   9,777,131 : 21,045,250 = 21,045,250 : x
2. Step 2: Convert to fraction form
   9,777,131/21,045,250 = 21,045,250/x
3. Step 3: Cross multiply
   9,777,131x = 21,045,250 × 21,045,250
4. Step 4: Simplify right side
   9,777,131x = 442,902,547,562,500
5. Step 5: Solve for x
   x = 442,902,547,562,500/9,777,131
6. Step 6: Final answer
   x = 45,299,847.94