Finding the Third Proportional to 1,918,620 and 4,144,600

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,620 : 4,144,600 = 4,144,600 : x
2. Step 2: Convert to fraction form
   1,918,620/4,144,600 = 4,144,600/x
3. Step 3: Cross multiply
   1,918,620x = 4,144,600 × 4,144,600
4. Step 4: Simplify right side
   1,918,620x = 17,177,709,160,000
5. Step 5: Solve for x
   x = 17,177,709,160,000/1,918,620
6. Step 6: Final answer
   x = 8,953,158.60