Finding the Third Proportional to 19,943,806 and 42,866,943

Step by Step Solution

1. Step 1: Write the proportion equation
   19,943,806 : 42,866,943 = 42,866,943 : x
2. Step 2: Convert to fraction form
   19,943,806/42,866,943 = 42,866,943/x
3. Step 3: Cross multiply
   19,943,806x = 42,866,943 × 42,866,943
4. Step 4: Simplify right side
   19,943,806x = 1,837,574,802,165,249
5. Step 5: Solve for x
   x = 1,837,574,802,165,249/19,943,806
6. Step 6: Final answer
   x = 92,137,619.18