Finding the Third Proportional to 42,570 and 92,515.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,570 : 92,515.50 = 92,515.50 : x
2. Step 2: Convert to fraction form
   42,570/92,515.50 = 92,515.50/x
3. Step 3: Cross multiply
   42,570x = 92,515.50 × 92,515.50
4. Step 4: Simplify right side
   42,570x = 8,559,117,740.25
5. Step 5: Solve for x
   x = 8,559,117,740.25/42,570
6. Step 6: Final answer
   x = 201,059.85