Finding the Third Proportional to 1,994,154 and 4,349,208

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994,154 : 4,349,208 = 4,349,208 : x
2. Step 2: Convert to fraction form
   1,994,154/4,349,208 = 4,349,208/x
3. Step 3: Cross multiply
   1,994,154x = 4,349,208 × 4,349,208
4. Step 4: Simplify right side
   1,994,154x = 18,915,610,227,264
5. Step 5: Solve for x
   x = 18,915,610,227,264/1,994,154
6. Step 6: Final answer
   x = 9,485,531.32