Finding the Third Proportional to 5,430,435 and 8,051,683

Step by Step Solution

1. Step 1: Write the proportion equation
   5,430,435 : 8,051,683 = 8,051,683 : x
2. Step 2: Convert to fraction form
   5,430,435/8,051,683 = 8,051,683/x
3. Step 3: Cross multiply
   5,430,435x = 8,051,683 × 8,051,683
4. Step 4: Simplify right side
   5,430,435x = 64,829,599,132,489
5. Step 5: Solve for x
   x = 64,829,599,132,489/5,430,435
6. Step 6: Final answer
   x = 11,938,196.32