Finding the Third Proportional to 19,943,818 and 42,866,966

Step by Step Solution

1. Step 1: Write the proportion equation
   19,943,818 : 42,866,966 = 42,866,966 : x
2. Step 2: Convert to fraction form
   19,943,818/42,866,966 = 42,866,966/x
3. Step 3: Cross multiply
   19,943,818x = 42,866,966 × 42,866,966
4. Step 4: Simplify right side
   19,943,818x = 1,837,576,774,045,156
5. Step 5: Solve for x
   x = 1,837,576,774,045,156/19,943,818
6. Step 6: Final answer
   x = 92,137,662.61