Finding the Third Proportional to 19,943,817 and 42,866,964

Step by Step Solution

1. Step 1: Write the proportion equation
   19,943,817 : 42,866,964 = 42,866,964 : x
2. Step 2: Convert to fraction form
   19,943,817/42,866,964 = 42,866,964/x
3. Step 3: Cross multiply
   19,943,817x = 42,866,964 × 42,866,964
4. Step 4: Simplify right side
   19,943,817x = 1,837,576,602,577,296
5. Step 5: Solve for x
   x = 1,837,576,602,577,296/19,943,817
6. Step 6: Final answer
   x = 92,137,658.63