Finding the Third Proportional to 4,142,178 and 9,037,413

Step by Step Solution

1. Step 1: Write the proportion equation
   4,142,178 : 9,037,413 = 9,037,413 : x
2. Step 2: Convert to fraction form
   4,142,178/9,037,413 = 9,037,413/x
3. Step 3: Cross multiply
   4,142,178x = 9,037,413 × 9,037,413
4. Step 4: Simplify right side
   4,142,178x = 81,674,833,732,569
5. Step 5: Solve for x
   x = 81,674,833,732,569/4,142,178
6. Step 6: Final answer
   x = 19,717,847.41