Finding the Third Proportional to 1,781,478.56 and 3,884,491.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,781,478.56 : 3,884,491.69 = 3,884,491.69 : x
2. Step 2: Convert to fraction form
   1,781,478.56/3,884,491.69 = 3,884,491.69/x
3. Step 3: Cross multiply
   1,781,478.56x = 3,884,491.69 × 3,884,491.69
4. Step 4: Simplify right side
   1,781,478.56x = 15,089,275,670,256.60
5. Step 5: Solve for x
   x = 15,089,275,670,256.60/1,781,478.56
6. Step 6: Final answer
   x = 8,470,085.46