Finding the Third Proportional to 817,386 and 1,781,898

Step by Step Solution

1. Step 1: Write the proportion equation
   817,386 : 1,781,898 = 1,781,898 : x
2. Step 2: Convert to fraction form
   817,386/1,781,898 = 1,781,898/x
3. Step 3: Cross multiply
   817,386x = 1,781,898 × 1,781,898
4. Step 4: Simplify right side
   817,386x = 3,175,160,482,404
5. Step 5: Solve for x
   x = 3,175,160,482,404/817,386
6. Step 6: Final answer
   x = 3,884,530.05