Finding the Third Proportional to 1,528,488 and 3,123,342

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,488 : 3,123,342 = 3,123,342 : x
2. Step 2: Convert to fraction form
   1,528,488/3,123,342 = 3,123,342/x
3. Step 3: Cross multiply
   1,528,488x = 3,123,342 × 3,123,342
4. Step 4: Simplify right side
   1,528,488x = 9,755,265,248,964
5. Step 5: Solve for x
   x = 9,755,265,248,964/1,528,488
6. Step 6: Final answer
   x = 6,382,297.57