Finding the Third Proportional to 217,953 and 469,303.31

Step by Step Solution

1. Step 1: Write the proportion equation
   217,953 : 469,303.31 = 469,303.31 : x
2. Step 2: Convert to fraction form
   217,953/469,303.31 = 469,303.31/x
3. Step 3: Cross multiply
   217,953x = 469,303.31 × 469,303.31
4. Step 4: Simplify right side
   217,953x = 220,245,599,123.47
5. Step 5: Solve for x
   x = 220,245,599,123.47/217,953
6. Step 6: Final answer
   x = 1,010,518.78