Finding the Third Proportional to 4,287,236 and 9,438,060

Step by Step Solution

1. Step 1: Write the proportion equation
   4,287,236 : 9,438,060 = 9,438,060 : x
2. Step 2: Convert to fraction form
   4,287,236/9,438,060 = 9,438,060/x
3. Step 3: Cross multiply
   4,287,236x = 9,438,060 × 9,438,060
4. Step 4: Simplify right side
   4,287,236x = 89,076,976,563,600
5. Step 5: Solve for x
   x = 89,076,976,563,600/4,287,236
6. Step 6: Final answer
   x = 20,777,250.56