Finding the Third Proportional to 53,328 and 79,627.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,328 : 79,627.50 = 79,627.50 : x
2. Step 2: Convert to fraction form
   53,328/79,627.50 = 79,627.50/x
3. Step 3: Cross multiply
   53,328x = 79,627.50 × 79,627.50
4. Step 4: Simplify right side
   53,328x = 6,340,538,756.25
5. Step 5: Solve for x
   x = 6,340,538,756.25/53,328
6. Step 6: Final answer
   x = 118,896.99