Finding the Third Proportional to 42,246 and 89,671.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,246 : 89,671.50 = 89,671.50 : x
2. Step 2: Convert to fraction form
   42,246/89,671.50 = 89,671.50/x
3. Step 3: Cross multiply
   42,246x = 89,671.50 × 89,671.50
4. Step 4: Simplify right side
   42,246x = 8,040,977,912.25
5. Step 5: Solve for x
   x = 8,040,977,912.25/42,246
6. Step 6: Final answer
   x = 190,337.02