Finding the Third Proportional to 2,154,240 and 3,189,764.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,240 : 3,189,764.50 = 3,189,764.50 : x
2. Step 2: Convert to fraction form
   2,154,240/3,189,764.50 = 3,189,764.50/x
3. Step 3: Cross multiply
   2,154,240x = 3,189,764.50 × 3,189,764.50
4. Step 4: Simplify right side
   2,154,240x = 10,174,597,565,460.25
5. Step 5: Solve for x
   x = 10,174,597,565,460.25/2,154,240
6. Step 6: Final answer
   x = 4,723,056.65