Finding the Third Proportional to 1,152,276 and 1,659,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,276 : 1,659,780 = 1,659,780 : x
2. Step 2: Convert to fraction form
   1,152,276/1,659,780 = 1,659,780/x
3. Step 3: Cross multiply
   1,152,276x = 1,659,780 × 1,659,780
4. Step 4: Simplify right side
   1,152,276x = 2,754,869,648,400
5. Step 5: Solve for x
   x = 2,754,869,648,400/1,152,276
6. Step 6: Final answer
   x = 2,390,807.11