Finding the Third Proportional to 1,620,440 and 3,492,088

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,440 : 3,492,088 = 3,492,088 : x
2. Step 2: Convert to fraction form
   1,620,440/3,492,088 = 3,492,088/x
3. Step 3: Cross multiply
   1,620,440x = 3,492,088 × 3,492,088
4. Step 4: Simplify right side
   1,620,440x = 12,194,678,599,744
5. Step 5: Solve for x
   x = 12,194,678,599,744/1,620,440
6. Step 6: Final answer
   x = 7,525,535.41