Finding the Third Proportional to 4,287,230 and 9,438,056

Step by Step Solution

1. Step 1: Write the proportion equation
   4,287,230 : 9,438,056 = 9,438,056 : x
2. Step 2: Convert to fraction form
   4,287,230/9,438,056 = 9,438,056/x
3. Step 3: Cross multiply
   4,287,230x = 9,438,056 × 9,438,056
4. Step 4: Simplify right side
   4,287,230x = 89,076,901,059,136
5. Step 5: Solve for x
   x = 89,076,901,059,136/4,287,230
6. Step 6: Final answer
   x = 20,777,262.02