Finding the Third Proportional to 2,529,888 and 5,479,680

Step by Step Solution

1. Step 1: Write the proportion equation
   2,529,888 : 5,479,680 = 5,479,680 : x
2. Step 2: Convert to fraction form
   2,529,888/5,479,680 = 5,479,680/x
3. Step 3: Cross multiply
   2,529,888x = 5,479,680 × 5,479,680
4. Step 4: Simplify right side
   2,529,888x = 30,026,892,902,400
5. Step 5: Solve for x
   x = 30,026,892,902,400/2,529,888
6. Step 6: Final answer
   x = 11,868,862.54