Finding the Third Proportional to 905,028 and 1,787,212

Step by Step Solution

1. Step 1: Write the proportion equation
   905,028 : 1,787,212 = 1,787,212 : x
2. Step 2: Convert to fraction form
   905,028/1,787,212 = 1,787,212/x
3. Step 3: Cross multiply
   905,028x = 1,787,212 × 1,787,212
4. Step 4: Simplify right side
   905,028x = 3,194,126,732,944
5. Step 5: Solve for x
   x = 3,194,126,732,944/905,028
6. Step 6: Final answer
   x = 3,529,312.61