Finding the Third Proportional to 647,340 and 1,436,160

Step by Step Solution

1. Step 1: Write the proportion equation
   647,340 : 1,436,160 = 1,436,160 : x
2. Step 2: Convert to fraction form
   647,340/1,436,160 = 1,436,160/x
3. Step 3: Cross multiply
   647,340x = 1,436,160 × 1,436,160
4. Step 4: Simplify right side
   647,340x = 2,062,555,545,600
5. Step 5: Solve for x
   x = 2,062,555,545,600/647,340
6. Step 6: Final answer
   x = 3,186,201.29