Finding the Third Proportional to 4,309,848 and 9,427,428

Step by Step Solution

1. Step 1: Write the proportion equation
   4,309,848 : 9,427,428 = 9,427,428 : x
2. Step 2: Convert to fraction form
   4,309,848/9,427,428 = 9,427,428/x
3. Step 3: Cross multiply
   4,309,848x = 9,427,428 × 9,427,428
4. Step 4: Simplify right side
   4,309,848x = 88,876,398,695,184
5. Step 5: Solve for x
   x = 88,876,398,695,184/4,309,848
6. Step 6: Final answer
   x = 20,621,701.44