Finding the Third Proportional to 48,492.50 and 74,880.75

Step by Step Solution

1. Step 1: Write the proportion equation
   48,492.50 : 74,880.75 = 74,880.75 : x
2. Step 2: Convert to fraction form
   48,492.50/74,880.75 = 74,880.75/x
3. Step 3: Cross multiply
   48,492.50x = 74,880.75 × 74,880.75
4. Step 4: Simplify right side
   48,492.50x = 5,607,126,720.56
5. Step 5: Solve for x
   x = 5,607,126,720.56/48,492.50
6. Step 6: Final answer
   x = 115,628.74