Finding the Third Proportional to 1,620,972 and 3,527,346

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,972 : 3,527,346 = 3,527,346 : x
2. Step 2: Convert to fraction form
   1,620,972/3,527,346 = 3,527,346/x
3. Step 3: Cross multiply
   1,620,972x = 3,527,346 × 3,527,346
4. Step 4: Simplify right side
   1,620,972x = 12,442,169,803,716
5. Step 5: Solve for x
   x = 12,442,169,803,716/1,620,972
6. Step 6: Final answer
   x = 7,675,746.28