Finding the Third Proportional to 47,179.13 and 64,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,179.13 : 64,111.50 = 64,111.50 : x
2. Step 2: Convert to fraction form
   47,179.13/64,111.50 = 64,111.50/x
3. Step 3: Cross multiply
   47,179.13x = 64,111.50 × 64,111.50
4. Step 4: Simplify right side
   47,179.13x = 4,110,284,432.25
5. Step 5: Solve for x
   x = 4,110,284,432.25/47,179.13
6. Step 6: Final answer
   x = 87,120.83