Finding the Third Proportional to 19,964,640 and 40,875,036

Step by Step Solution

1. Step 1: Write the proportion equation
   19,964,640 : 40,875,036 = 40,875,036 : x
2. Step 2: Convert to fraction form
   19,964,640/40,875,036 = 40,875,036/x
3. Step 3: Cross multiply
   19,964,640x = 40,875,036 × 40,875,036
4. Step 4: Simplify right side
   19,964,640x = 1,670,768,568,001,296
5. Step 5: Solve for x
   x = 1,670,768,568,001,296/19,964,640
6. Step 6: Final answer
   x = 83,686,385.93