Finding the Third Proportional to 1,916,072 and 2,664,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916,072 : 2,664,120 = 2,664,120 : x
2. Step 2: Convert to fraction form
   1,916,072/2,664,120 = 2,664,120/x
3. Step 3: Cross multiply
   1,916,072x = 2,664,120 × 2,664,120
4. Step 4: Simplify right side
   1,916,072x = 7,097,535,374,400
5. Step 5: Solve for x
   x = 7,097,535,374,400/1,916,072
6. Step 6: Final answer
   x = 3,704,211.21