Finding the Third Proportional to 1,564,947 and 3,428,784

Step by Step Solution

1. Step 1: Write the proportion equation
   1,564,947 : 3,428,784 = 3,428,784 : x
2. Step 2: Convert to fraction form
   1,564,947/3,428,784 = 3,428,784/x
3. Step 3: Cross multiply
   1,564,947x = 3,428,784 × 3,428,784
4. Step 4: Simplify right side
   1,564,947x = 11,756,559,718,656
5. Step 5: Solve for x
   x = 11,756,559,718,656/1,564,947
6. Step 6: Final answer
   x = 7,512,433.15