Finding the Third Proportional to 6,427,724 and 8,719,818

Step by Step Solution

1. Step 1: Write the proportion equation
   6,427,724 : 8,719,818 = 8,719,818 : x
2. Step 2: Convert to fraction form
   6,427,724/8,719,818 = 8,719,818/x
3. Step 3: Cross multiply
   6,427,724x = 8,719,818 × 8,719,818
4. Step 4: Simplify right side
   6,427,724x = 76,035,225,953,124
5. Step 5: Solve for x
   x = 76,035,225,953,124/6,427,724
6. Step 6: Final answer
   x = 11,829,261.17