Finding the Third Proportional to 84,142.55 and 180,108.56

Step by Step Solution

1. Step 1: Write the proportion equation
   84,142.55 : 180,108.56 = 180,108.56 : x
2. Step 2: Convert to fraction form
   84,142.55/180,108.56 = 180,108.56/x
3. Step 3: Cross multiply
   84,142.55x = 180,108.56 × 180,108.56
4. Step 4: Simplify right side
   84,142.55x = 32,439,094,285.82
5. Step 5: Solve for x
   x = 32,439,094,285.82/84,142.55
6. Step 6: Final answer
   x = 385,525.46