Finding the Third Proportional to 3,445,870 and 5,069,289

Step by Step Solution

1. Step 1: Write the proportion equation
   3,445,870 : 5,069,289 = 5,069,289 : x
2. Step 2: Convert to fraction form
   3,445,870/5,069,289 = 5,069,289/x
3. Step 3: Cross multiply
   3,445,870x = 5,069,289 × 5,069,289
4. Step 4: Simplify right side
   3,445,870x = 25,697,690,965,521
5. Step 5: Solve for x
   x = 25,697,690,965,521/3,445,870
6. Step 6: Final answer
   x = 7,457,533.50