Finding the Third Proportional to 1,201,646 and 2,573,876

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,646 : 2,573,876 = 2,573,876 : x
2. Step 2: Convert to fraction form
   1,201,646/2,573,876 = 2,573,876/x
3. Step 3: Cross multiply
   1,201,646x = 2,573,876 × 2,573,876
4. Step 4: Simplify right side
   1,201,646x = 6,624,837,663,376
5. Step 5: Solve for x
   x = 6,624,837,663,376/1,201,646
6. Step 6: Final answer
   x = 5,513,135.87