Finding the Third Proportional to 1,719,423 and 3,578,394

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719,423 : 3,578,394 = 3,578,394 : x
2. Step 2: Convert to fraction form
   1,719,423/3,578,394 = 3,578,394/x
3. Step 3: Cross multiply
   1,719,423x = 3,578,394 × 3,578,394
4. Step 4: Simplify right side
   1,719,423x = 12,804,903,619,236
5. Step 5: Solve for x
   x = 12,804,903,619,236/1,719,423
6. Step 6: Final answer
   x = 7,447,209.69