Finding the Third Proportional to 742,368 and 1,618,560

Step by Step Solution

1. Step 1: Write the proportion equation
   742,368 : 1,618,560 = 1,618,560 : x
2. Step 2: Convert to fraction form
   742,368/1,618,560 = 1,618,560/x
3. Step 3: Cross multiply
   742,368x = 1,618,560 × 1,618,560
4. Step 4: Simplify right side
   742,368x = 2,619,736,473,600
5. Step 5: Solve for x
   x = 2,619,736,473,600/742,368
6. Step 6: Final answer
   x = 3,528,891.97