Finding the Third Proportional to 1,526,790 and 3,179,220

Step by Step Solution

1. Step 1: Write the proportion equation
   1,526,790 : 3,179,220 = 3,179,220 : x
2. Step 2: Convert to fraction form
   1,526,790/3,179,220 = 3,179,220/x
3. Step 3: Cross multiply
   1,526,790x = 3,179,220 × 3,179,220
4. Step 4: Simplify right side
   1,526,790x = 10,107,439,808,400
5. Step 5: Solve for x
   x = 10,107,439,808,400/1,526,790
6. Step 6: Final answer
   x = 6,620,058.95