Finding the Third Proportional to 1,675,818 and 3,643,236

Step by Step Solution

1. Step 1: Write the proportion equation
   1,675,818 : 3,643,236 = 3,643,236 : x
2. Step 2: Convert to fraction form
   1,675,818/3,643,236 = 3,643,236/x
3. Step 3: Cross multiply
   1,675,818x = 3,643,236 × 3,643,236
4. Step 4: Simplify right side
   1,675,818x = 13,273,168,551,696
5. Step 5: Solve for x
   x = 13,273,168,551,696/1,675,818
6. Step 6: Final answer
   x = 7,920,411.73