Finding the Third Proportional to 19,964,644 and 40,875,048

Step by Step Solution

1. Step 1: Write the proportion equation
   19,964,644 : 40,875,048 = 40,875,048 : x
2. Step 2: Convert to fraction form
   19,964,644/40,875,048 = 40,875,048/x
3. Step 3: Cross multiply
   19,964,644x = 40,875,048 × 40,875,048
4. Step 4: Simplify right side
   19,964,644x = 1,670,769,549,002,304
5. Step 5: Solve for x
   x = 1,670,769,549,002,304/19,964,644
6. Step 6: Final answer
   x = 83,686,418.30