Finding the Third Proportional to 53,077.50 and 79,753.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,077.50 : 79,753.50 = 79,753.50 : x
2. Step 2: Convert to fraction form
   53,077.50/79,753.50 = 79,753.50/x
3. Step 3: Cross multiply
   53,077.50x = 79,753.50 × 79,753.50
4. Step 4: Simplify right side
   53,077.50x = 6,360,620,762.25
5. Step 5: Solve for x
   x = 6,360,620,762.25/53,077.50
6. Step 6: Final answer
   x = 119,836.48