Finding the Third Proportional to 1,865,460 and 4,078,896

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865,460 : 4,078,896 = 4,078,896 : x
2. Step 2: Convert to fraction form
   1,865,460/4,078,896 = 4,078,896/x
3. Step 3: Cross multiply
   1,865,460x = 4,078,896 × 4,078,896
4. Step 4: Simplify right side
   1,865,460x = 16,637,392,578,816
5. Step 5: Solve for x
   x = 16,637,392,578,816/1,865,460
6. Step 6: Final answer
   x = 8,918,654.15