Finding the Third Proportional to 3,416,688 and 7,217,559

Step by Step Solution

1. Step 1: Write the proportion equation
   3,416,688 : 7,217,559 = 7,217,559 : x
2. Step 2: Convert to fraction form
   3,416,688/7,217,559 = 7,217,559/x
3. Step 3: Cross multiply
   3,416,688x = 7,217,559 × 7,217,559
4. Step 4: Simplify right side
   3,416,688x = 52,093,157,918,481
5. Step 5: Solve for x
   x = 52,093,157,918,481/3,416,688
6. Step 6: Final answer
   x = 15,246,682.73