Finding the Third Proportional to 19,419.50 and 42,473

Step by Step Solution

1. Step 1: Write the proportion equation
   19,419.50 : 42,473 = 42,473 : x
2. Step 2: Convert to fraction form
   19,419.50/42,473 = 42,473/x
3. Step 3: Cross multiply
   19,419.50x = 42,473 × 42,473
4. Step 4: Simplify right side
   19,419.50x = 1,803,955,729
5. Step 5: Solve for x
   x = 1,803,955,729/19,419.50
6. Step 6: Final answer
   x = 92,894.04