Finding the Third Proportional to 19,590 and 42,460.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,590 : 42,460.50 = 42,460.50 : x
2. Step 2: Convert to fraction form
   19,590/42,460.50 = 42,460.50/x
3. Step 3: Cross multiply
   19,590x = 42,460.50 × 42,460.50
4. Step 4: Simplify right side
   19,590x = 1,802,894,060.25
5. Step 5: Solve for x
   x = 1,802,894,060.25/19,590
6. Step 6: Final answer
   x = 92,031.35