Finding the Third Proportional to 1,373,088 and 2,990,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373,088 : 2,990,280 = 2,990,280 : x
2. Step 2: Convert to fraction form
   1,373,088/2,990,280 = 2,990,280/x
3. Step 3: Cross multiply
   1,373,088x = 2,990,280 × 2,990,280
4. Step 4: Simplify right side
   1,373,088x = 8,941,774,478,400
5. Step 5: Solve for x
   x = 8,941,774,478,400/1,373,088
6. Step 6: Final answer
   x = 6,512,164.17