Finding the Third Proportional to 1,715,400 and 3,666,876

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715,400 : 3,666,876 = 3,666,876 : x
2. Step 2: Convert to fraction form
   1,715,400/3,666,876 = 3,666,876/x
3. Step 3: Cross multiply
   1,715,400x = 3,666,876 × 3,666,876
4. Step 4: Simplify right side
   1,715,400x = 13,445,979,599,376
5. Step 5: Solve for x
   x = 13,445,979,599,376/1,715,400
6. Step 6: Final answer
   x = 7,838,393.14