Finding the Third Proportional to 2,319,858 and 3,549,123

Step by Step Solution

1. Step 1: Write the proportion equation
   2,319,858 : 3,549,123 = 3,549,123 : x
2. Step 2: Convert to fraction form
   2,319,858/3,549,123 = 3,549,123/x
3. Step 3: Cross multiply
   2,319,858x = 3,549,123 × 3,549,123
4. Step 4: Simplify right side
   2,319,858x = 12,596,274,069,129
5. Step 5: Solve for x
   x = 12,596,274,069,129/2,319,858
6. Step 6: Final answer
   x = 5,429,760.82