Finding the Third Proportional to 52,619.63 and 80,242.31

Step by Step Solution

1. Step 1: Write the proportion equation
   52,619.63 : 80,242.31 = 80,242.31 : x
2. Step 2: Convert to fraction form
   52,619.63/80,242.31 = 80,242.31/x
3. Step 3: Cross multiply
   52,619.63x = 80,242.31 × 80,242.31
4. Step 4: Simplify right side
   52,619.63x = 6,438,828,715.35
5. Step 5: Solve for x
   x = 6,438,828,715.35/52,619.63
6. Step 6: Final answer
   x = 122,365.54