Finding the Third Proportional to 5,193,742 and 8,911,586

Step by Step Solution

1. Step 1: Write the proportion equation
   5,193,742 : 8,911,586 = 8,911,586 : x
2. Step 2: Convert to fraction form
   5,193,742/8,911,586 = 8,911,586/x
3. Step 3: Cross multiply
   5,193,742x = 8,911,586 × 8,911,586
4. Step 4: Simplify right side
   5,193,742x = 79,416,365,035,396
5. Step 5: Solve for x
   x = 79,416,365,035,396/5,193,742
6. Step 6: Final answer
   x = 15,290,779.76