Finding the Third Proportional to 1,185,972 and 2,539,236

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,972 : 2,539,236 = 2,539,236 : x
2. Step 2: Convert to fraction form
   1,185,972/2,539,236 = 2,539,236/x
3. Step 3: Cross multiply
   1,185,972x = 2,539,236 × 2,539,236
4. Step 4: Simplify right side
   1,185,972x = 6,447,719,463,696
5. Step 5: Solve for x
   x = 6,447,719,463,696/1,185,972
6. Step 6: Final answer
   x = 5,436,654.04