Finding the Third Proportional to 38,215.13 and 51,612.19

Step by Step Solution

1. Step 1: Write the proportion equation
   38,215.13 : 51,612.19 = 51,612.19 : x
2. Step 2: Convert to fraction form
   38,215.13/51,612.19 = 51,612.19/x
3. Step 3: Cross multiply
   38,215.13x = 51,612.19 × 51,612.19
4. Step 4: Simplify right side
   38,215.13x = 2,663,817,898.54
5. Step 5: Solve for x
   x = 2,663,817,898.54/38,215.13
6. Step 6: Final answer
   x = 69,705.85