Finding the Third Proportional to 656,528 and 1,428,086.13

Step by Step Solution

1. Step 1: Write the proportion equation
   656,528 : 1,428,086.13 = 1,428,086.13 : x
2. Step 2: Convert to fraction form
   656,528/1,428,086.13 = 1,428,086.13/x
3. Step 3: Cross multiply
   656,528x = 1,428,086.13 × 1,428,086.13
4. Step 4: Simplify right side
   656,528x = 2,039,429,980,417.52
5. Step 5: Solve for x
   x = 2,039,429,980,417.52/656,528
6. Step 6: Final answer
   x = 3,106,386.90