Finding the Third Proportional to 1,142,865 and 1,680,159

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,865 : 1,680,159 = 1,680,159 : x
2. Step 2: Convert to fraction form
   1,142,865/1,680,159 = 1,680,159/x
3. Step 3: Cross multiply
   1,142,865x = 1,680,159 × 1,680,159
4. Step 4: Simplify right side
   1,142,865x = 2,822,934,265,281
5. Step 5: Solve for x
   x = 2,822,934,265,281/1,142,865
6. Step 6: Final answer
   x = 2,470,050.50