Finding the Third Proportional to 39,445.31 and 84,423.94

Step by Step Solution

1. Step 1: Write the proportion equation
   39,445.31 : 84,423.94 = 84,423.94 : x
2. Step 2: Convert to fraction form
   39,445.31/84,423.94 = 84,423.94/x
3. Step 3: Cross multiply
   39,445.31x = 84,423.94 × 84,423.94
4. Step 4: Simplify right side
   39,445.31x = 7,127,401,223.00
5. Step 5: Solve for x
   x = 7,127,401,223.00/39,445.31
6. Step 6: Final answer
   x = 180,690.70