Finding the Third Proportional to 42,592 and 66,824.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,592 : 66,824.50 = 66,824.50 : x
2. Step 2: Convert to fraction form
   42,592/66,824.50 = 66,824.50/x
3. Step 3: Cross multiply
   42,592x = 66,824.50 × 66,824.50
4. Step 4: Simplify right side
   42,592x = 4,465,513,800.25
5. Step 5: Solve for x
   x = 4,465,513,800.25/42,592
6. Step 6: Final answer
   x = 104,843.96