Finding the Third Proportional to 5,381,432 and 7,864,948

Step by Step Solution

1. Step 1: Write the proportion equation
   5,381,432 : 7,864,948 = 7,864,948 : x
2. Step 2: Convert to fraction form
   5,381,432/7,864,948 = 7,864,948/x
3. Step 3: Cross multiply
   5,381,432x = 7,864,948 × 7,864,948
4. Step 4: Simplify right side
   5,381,432x = 61,857,407,042,704
5. Step 5: Solve for x
   x = 61,857,407,042,704/5,381,432
6. Step 6: Final answer
   x = 11,494,599.77