Finding the Third Proportional to 1,554,478 and 3,345,152

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554,478 : 3,345,152 = 3,345,152 : x
2. Step 2: Convert to fraction form
   1,554,478/3,345,152 = 3,345,152/x
3. Step 3: Cross multiply
   1,554,478x = 3,345,152 × 3,345,152
4. Step 4: Simplify right side
   1,554,478x = 11,190,041,903,104
5. Step 5: Solve for x
   x = 11,190,041,903,104/1,554,478
6. Step 6: Final answer
   x = 7,198,584.93