Finding the Third Proportional to 36,488.81 and 78,434.06

Step by Step Solution

1. Step 1: Write the proportion equation
   36,488.81 : 78,434.06 = 78,434.06 : x
2. Step 2: Convert to fraction form
   36,488.81/78,434.06 = 78,434.06/x
3. Step 3: Cross multiply
   36,488.81x = 78,434.06 × 78,434.06
4. Step 4: Simplify right side
   36,488.81x = 6,151,902,160.25
5. Step 5: Solve for x
   x = 6,151,902,160.25/36,488.81
6. Step 6: Final answer
   x = 168,596.94