Finding the Third Proportional to 1,725,200 and 2,611,978

Step by Step Solution

1. Step 1: Write the proportion equation
   1,725,200 : 2,611,978 = 2,611,978 : x
2. Step 2: Convert to fraction form
   1,725,200/2,611,978 = 2,611,978/x
3. Step 3: Cross multiply
   1,725,200x = 2,611,978 × 2,611,978
4. Step 4: Simplify right side
   1,725,200x = 6,822,429,072,484
5. Step 5: Solve for x
   x = 6,822,429,072,484/1,725,200
6. Step 6: Final answer
   x = 3,954,572.85