Finding the Third Proportional to 38,612.81 and 84,606.75

Step by Step Solution

1. Step 1: Write the proportion equation
   38,612.81 : 84,606.75 = 84,606.75 : x
2. Step 2: Convert to fraction form
   38,612.81/84,606.75 = 84,606.75/x
3. Step 3: Cross multiply
   38,612.81x = 84,606.75 × 84,606.75
4. Step 4: Simplify right side
   38,612.81x = 7,158,302,145.56
5. Step 5: Solve for x
   x = 7,158,302,145.56/38,612.81
6. Step 6: Final answer
   x = 185,386.71