Finding the Third Proportional to 19,943,859 and 42,867,084

Step by Step Solution

1. Step 1: Write the proportion equation
   19,943,859 : 42,867,084 = 42,867,084 : x
2. Step 2: Convert to fraction form
   19,943,859/42,867,084 = 42,867,084/x
3. Step 3: Cross multiply
   19,943,859x = 42,867,084 × 42,867,084
4. Step 4: Simplify right side
   19,943,859x = 1,837,586,890,663,056
5. Step 5: Solve for x
   x = 1,837,586,890,663,056/19,943,859
6. Step 6: Final answer
   x = 92,137,980.45