Finding the Third Proportional to 1,078,380 and 1,430,946

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,380 : 1,430,946 = 1,430,946 : x
2. Step 2: Convert to fraction form
   1,078,380/1,430,946 = 1,430,946/x
3. Step 3: Cross multiply
   1,078,380x = 1,430,946 × 1,430,946
4. Step 4: Simplify right side
   1,078,380x = 2,047,606,454,916
5. Step 5: Solve for x
   x = 2,047,606,454,916/1,078,380
6. Step 6: Final answer
   x = 1,898,780.07