Finding the Third Proportional to 1,778,598 and 3,902,876

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778,598 : 3,902,876 = 3,902,876 : x
2. Step 2: Convert to fraction form
   1,778,598/3,902,876 = 3,902,876/x
3. Step 3: Cross multiply
   1,778,598x = 3,902,876 × 3,902,876
4. Step 4: Simplify right side
   1,778,598x = 15,232,441,071,376
5. Step 5: Solve for x
   x = 15,232,441,071,376/1,778,598
6. Step 6: Final answer
   x = 8,564,296.75