Finding the Third Proportional to 195,020,048 and 405,156,544

Step by Step Solution

1. Step 1: Write the proportion equation
   195,020,048 : 405,156,544 = 405,156,544 : x
2. Step 2: Convert to fraction form
   195,020,048/405,156,544 = 405,156,544/x
3. Step 3: Cross multiply
   195,020,048x = 405,156,544 × 405,156,544
4. Step 4: Simplify right side
   195,020,048x = 164,151,825,146,023,936
5. Step 5: Solve for x
   x = 164,151,825,146,023,936/195,020,048
6. Step 6: Final answer
   x = 841,717,694.31