Finding the Third Proportional to 19,705,936.50 and 42,324,754.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,705,936.50 : 42,324,754.50 = 42,324,754.50 : x
2. Step 2: Convert to fraction form
   19,705,936.50/42,324,754.50 = 42,324,754.50/x
3. Step 3: Cross multiply
   19,705,936.50x = 42,324,754.50 × 42,324,754.50
4. Step 4: Simplify right side
   19,705,936.50x = 1,791,384,843,485,270.25
5. Step 5: Solve for x
   x = 1,791,384,843,485,270.25/19,705,936.50
6. Step 6: Final answer
   x = 90,905,846.75