Finding the Third Proportional to 4,420,088 and 9,520,308

Step by Step Solution

1. Step 1: Write the proportion equation
   4,420,088 : 9,520,308 = 9,520,308 : x
2. Step 2: Convert to fraction form
   4,420,088/9,520,308 = 9,520,308/x
3. Step 3: Cross multiply
   4,420,088x = 9,520,308 × 9,520,308
4. Step 4: Simplify right side
   4,420,088x = 90,636,264,414,864
5. Step 5: Solve for x
   x = 90,636,264,414,864/4,420,088
6. Step 6: Final answer
   x = 20,505,533.92