Finding the Third Proportional to 4,010,602 and 8,660,358

Step by Step Solution

1. Step 1: Write the proportion equation
   4,010,602 : 8,660,358 = 8,660,358 : x
2. Step 2: Convert to fraction form
   4,010,602/8,660,358 = 8,660,358/x
3. Step 3: Cross multiply
   4,010,602x = 8,660,358 × 8,660,358
4. Step 4: Simplify right side
   4,010,602x = 75,001,800,688,164
5. Step 5: Solve for x
   x = 75,001,800,688,164/4,010,602
6. Step 6: Final answer
   x = 18,700,883.48