Finding the Third Proportional to 1,620,550 and 3,492,290

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,550 : 3,492,290 = 3,492,290 : x
2. Step 2: Convert to fraction form
   1,620,550/3,492,290 = 3,492,290/x
3. Step 3: Cross multiply
   1,620,550x = 3,492,290 × 3,492,290
4. Step 4: Simplify right side
   1,620,550x = 12,196,089,444,100
5. Step 5: Solve for x
   x = 12,196,089,444,100/1,620,550
6. Step 6: Final answer
   x = 7,525,895.19