Finding the Third Proportional to 19,449,970 and 42,324,836

Step by Step Solution

1. Step 1: Write the proportion equation
   19,449,970 : 42,324,836 = 42,324,836 : x
2. Step 2: Convert to fraction form
   19,449,970/42,324,836 = 42,324,836/x
3. Step 3: Cross multiply
   19,449,970x = 42,324,836 × 42,324,836
4. Step 4: Simplify right side
   19,449,970x = 1,791,391,742,426,896
5. Step 5: Solve for x
   x = 1,791,391,742,426,896/19,449,970
6. Step 6: Final answer
   x = 92,102,545.27