Finding the Third Proportional to 684,057 and 1,499,455.50

Step by Step Solution

1. Step 1: Write the proportion equation
   684,057 : 1,499,455.50 = 1,499,455.50 : x
2. Step 2: Convert to fraction form
   684,057/1,499,455.50 = 1,499,455.50/x
3. Step 3: Cross multiply
   684,057x = 1,499,455.50 × 1,499,455.50
4. Step 4: Simplify right side
   684,057x = 2,248,366,796,480.25
5. Step 5: Solve for x
   x = 2,248,366,796,480.25/684,057
6. Step 6: Final answer
   x = 3,286,812.06