Finding the Third Proportional to 51,372 and 79,501.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,372 : 79,501.50 = 79,501.50 : x
2. Step 2: Convert to fraction form
   51,372/79,501.50 = 79,501.50/x
3. Step 3: Cross multiply
   51,372x = 79,501.50 × 79,501.50
4. Step 4: Simplify right side
   51,372x = 6,320,488,502.25
5. Step 5: Solve for x
   x = 6,320,488,502.25/51,372
6. Step 6: Final answer
   x = 123,033.72