Finding the Third Proportional to 8,242,840 and 10,865,124

Step by Step Solution

1. Step 1: Write the proportion equation
   8,242,840 : 10,865,124 = 10,865,124 : x
2. Step 2: Convert to fraction form
   8,242,840/10,865,124 = 10,865,124/x
3. Step 3: Cross multiply
   8,242,840x = 10,865,124 × 10,865,124
4. Step 4: Simplify right side
   8,242,840x = 118,050,919,535,376
5. Step 5: Solve for x
   x = 118,050,919,535,376/8,242,840
6. Step 6: Final answer
   x = 14,321,631.81