Finding the Third Proportional to 70,025.50 and 91,916

Step by Step Solution

1. Step 1: Write the proportion equation
   70,025.50 : 91,916 = 91,916 : x
2. Step 2: Convert to fraction form
   70,025.50/91,916 = 91,916/x
3. Step 3: Cross multiply
   70,025.50x = 91,916 × 91,916
4. Step 4: Simplify right side
   70,025.50x = 8,448,551,056
5. Step 5: Solve for x
   x = 8,448,551,056/70,025.50
6. Step 6: Final answer
   x = 120,649.64