Finding the Third Proportional to 19,876.50 and 42,510.94

Step by Step Solution

1. Step 1: Write the proportion equation
   19,876.50 : 42,510.94 = 42,510.94 : x
2. Step 2: Convert to fraction form
   19,876.50/42,510.94 = 42,510.94/x
3. Step 3: Cross multiply
   19,876.50x = 42,510.94 × 42,510.94
4. Step 4: Simplify right side
   19,876.50x = 1,807,179,807.13
5. Step 5: Solve for x
   x = 1,807,179,807.13/19,876.50
6. Step 6: Final answer
   x = 90,920.42