Finding the Third Proportional to 4,135,990 and 9,088,414

Step by Step Solution

1. Step 1: Write the proportion equation
   4,135,990 : 9,088,414 = 9,088,414 : x
2. Step 2: Convert to fraction form
   4,135,990/9,088,414 = 9,088,414/x
3. Step 3: Cross multiply
   4,135,990x = 9,088,414 × 9,088,414
4. Step 4: Simplify right side
   4,135,990x = 82,599,269,035,396
5. Step 5: Solve for x
   x = 82,599,269,035,396/4,135,990
6. Step 6: Final answer
   x = 19,970,858.01