Finding the Third Proportional to 19,643,776 and 42,855,760

Step by Step Solution

1. Step 1: Write the proportion equation
   19,643,776 : 42,855,760 = 42,855,760 : x
2. Step 2: Convert to fraction form
   19,643,776/42,855,760 = 42,855,760/x
3. Step 3: Cross multiply
   19,643,776x = 42,855,760 × 42,855,760
4. Step 4: Simplify right side
   19,643,776x = 1,836,616,165,177,600
5. Step 5: Solve for x
   x = 1,836,616,165,177,600/19,643,776
6. Step 6: Final answer
   x = 93,496,085.74