Finding the Third Proportional to 654,187 and 1,386,064

Step by Step Solution

1. Step 1: Write the proportion equation
   654,187 : 1,386,064 = 1,386,064 : x
2. Step 2: Convert to fraction form
   654,187/1,386,064 = 1,386,064/x
3. Step 3: Cross multiply
   654,187x = 1,386,064 × 1,386,064
4. Step 4: Simplify right side
   654,187x = 1,921,173,412,096
5. Step 5: Solve for x
   x = 1,921,173,412,096/654,187
6. Step 6: Final answer
   x = 2,936,734.32