Finding the Third Proportional to 1,620,184.50 and 3,545,505

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,184.50 : 3,545,505 = 3,545,505 : x
2. Step 2: Convert to fraction form
   1,620,184.50/3,545,505 = 3,545,505/x
3. Step 3: Cross multiply
   1,620,184.50x = 3,545,505 × 3,545,505
4. Step 4: Simplify right side
   1,620,184.50x = 12,570,605,705,025
5. Step 5: Solve for x
   x = 12,570,605,705,025/1,620,184.50
6. Step 6: Final answer
   x = 7,758,749.52