Finding the Third Proportional to 647,274 and 1,376,196

Step by Step Solution

1. Step 1: Write the proportion equation
   647,274 : 1,376,196 = 1,376,196 : x
2. Step 2: Convert to fraction form
   647,274/1,376,196 = 1,376,196/x
3. Step 3: Cross multiply
   647,274x = 1,376,196 × 1,376,196
4. Step 4: Simplify right side
   647,274x = 1,893,915,430,416
5. Step 5: Solve for x
   x = 1,893,915,430,416/647,274
6. Step 6: Final answer
   x = 2,925,987.19