Finding the Third Proportional to 1,918,485 and 4,144,365

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,485 : 4,144,365 = 4,144,365 : x
2. Step 2: Convert to fraction form
   1,918,485/4,144,365 = 4,144,365/x
3. Step 3: Cross multiply
   1,918,485x = 4,144,365 × 4,144,365
4. Step 4: Simplify right side
   1,918,485x = 17,175,761,253,225
5. Step 5: Solve for x
   x = 17,175,761,253,225/1,918,485
6. Step 6: Final answer
   x = 8,952,773.28