Finding the Third Proportional to 74,982 and 113,242.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,982 : 113,242.50 = 113,242.50 : x
2. Step 2: Convert to fraction form
   74,982/113,242.50 = 113,242.50/x
3. Step 3: Cross multiply
   74,982x = 113,242.50 × 113,242.50
4. Step 4: Simplify right side
   74,982x = 12,823,863,806.25
5. Step 5: Solve for x
   x = 12,823,863,806.25/74,982
6. Step 6: Final answer
   x = 171,025.90