Finding the Third Proportional to 656,528 and 1,428,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   656,528 : 1,428,086.50 = 1,428,086.50 : x
2. Step 2: Convert to fraction form
   656,528/1,428,086.50 = 1,428,086.50/x
3. Step 3: Cross multiply
   656,528x = 1,428,086.50 × 1,428,086.50
4. Step 4: Simplify right side
   656,528x = 2,039,431,051,482.25
5. Step 5: Solve for x
   x = 2,039,431,051,482.25/656,528
6. Step 6: Final answer
   x = 3,106,388.53