Finding the Third Proportional to 1,445,880 and 2,164,444

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,880 : 2,164,444 = 2,164,444 : x
2. Step 2: Convert to fraction form
   1,445,880/2,164,444 = 2,164,444/x
3. Step 3: Cross multiply
   1,445,880x = 2,164,444 × 2,164,444
4. Step 4: Simplify right side
   1,445,880x = 4,684,817,829,136
5. Step 5: Solve for x
   x = 4,684,817,829,136/1,445,880
6. Step 6: Final answer
   x = 3,240,115.24