Finding the Third Proportional to 1,868,994 and 2,840,436

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,994 : 2,840,436 = 2,840,436 : x
2. Step 2: Convert to fraction form
   1,868,994/2,840,436 = 2,840,436/x
3. Step 3: Cross multiply
   1,868,994x = 2,840,436 × 2,840,436
4. Step 4: Simplify right side
   1,868,994x = 8,068,076,670,096
5. Step 5: Solve for x
   x = 8,068,076,670,096/1,868,994
6. Step 6: Final answer
   x = 4,316,801.80