Finding the Third Proportional to 38,886.75 and 84,688.13

Step by Step Solution

1. Step 1: Write the proportion equation
   38,886.75 : 84,688.13 = 84,688.13 : x
2. Step 2: Convert to fraction form
   38,886.75/84,688.13 = 84,688.13/x
3. Step 3: Cross multiply
   38,886.75x = 84,688.13 × 84,688.13
4. Step 4: Simplify right side
   38,886.75x = 7,172,078,516.02
5. Step 5: Solve for x
   x = 7,172,078,516.02/38,886.75
6. Step 6: Final answer
   x = 184,435.02