Finding the Third Proportional to 4,005,784 and 8,907,152

Step by Step Solution

1. Step 1: Write the proportion equation
   4,005,784 : 8,907,152 = 8,907,152 : x
2. Step 2: Convert to fraction form
   4,005,784/8,907,152 = 8,907,152/x
3. Step 3: Cross multiply
   4,005,784x = 8,907,152 × 8,907,152
4. Step 4: Simplify right side
   4,005,784x = 79,337,356,751,104
5. Step 5: Solve for x
   x = 79,337,356,751,104/4,005,784
6. Step 6: Final answer
   x = 19,805,700.15