Finding the Third Proportional to 647,087 and 1,377,159

Step by Step Solution

1. Step 1: Write the proportion equation
   647,087 : 1,377,159 = 1,377,159 : x
2. Step 2: Convert to fraction form
   647,087/1,377,159 = 1,377,159/x
3. Step 3: Cross multiply
   647,087x = 1,377,159 × 1,377,159
4. Step 4: Simplify right side
   647,087x = 1,896,566,911,281
5. Step 5: Solve for x
   x = 1,896,566,911,281/647,087
6. Step 6: Final answer
   x = 2,930,930.33