Finding the Third Proportional to 647,256 and 1,376,160

Step by Step Solution

1. Step 1: Write the proportion equation
   647,256 : 1,376,160 = 1,376,160 : x
2. Step 2: Convert to fraction form
   647,256/1,376,160 = 1,376,160/x
3. Step 3: Cross multiply
   647,256x = 1,376,160 × 1,376,160
4. Step 4: Simplify right side
   647,256x = 1,893,816,345,600
5. Step 5: Solve for x
   x = 1,893,816,345,600/647,256
6. Step 6: Final answer
   x = 2,925,915.47