Finding the Third Proportional to 619,656 and 1,357,248

Step by Step Solution

1. Step 1: Write the proportion equation
   619,656 : 1,357,248 = 1,357,248 : x
2. Step 2: Convert to fraction form
   619,656/1,357,248 = 1,357,248/x
3. Step 3: Cross multiply
   619,656x = 1,357,248 × 1,357,248
4. Step 4: Simplify right side
   619,656x = 1,842,122,133,504
5. Step 5: Solve for x
   x = 1,842,122,133,504/619,656
6. Step 6: Final answer
   x = 2,972,814.16