Finding the Third Proportional to 3,091,446 and 4,547,619

Step by Step Solution

1. Step 1: Write the proportion equation
   3,091,446 : 4,547,619 = 4,547,619 : x
2. Step 2: Convert to fraction form
   3,091,446/4,547,619 = 4,547,619/x
3. Step 3: Cross multiply
   3,091,446x = 4,547,619 × 4,547,619
4. Step 4: Simplify right side
   3,091,446x = 20,680,838,569,161
5. Step 5: Solve for x
   x = 20,680,838,569,161/3,091,446
6. Step 6: Final answer
   x = 6,689,697.50