Finding the Third Proportional to 215,007 and 334,036.50

Step by Step Solution

1. Step 1: Write the proportion equation
   215,007 : 334,036.50 = 334,036.50 : x
2. Step 2: Convert to fraction form
   215,007/334,036.50 = 334,036.50/x
3. Step 3: Cross multiply
   215,007x = 334,036.50 × 334,036.50
4. Step 4: Simplify right side
   215,007x = 111,580,383,332.25
5. Step 5: Solve for x
   x = 111,580,383,332.25/215,007
6. Step 6: Final answer
   x = 518,961.63