Finding the Third Proportional to 3,880,140 and 5,873,889

Step by Step Solution

1. Step 1: Write the proportion equation
   3,880,140 : 5,873,889 = 5,873,889 : x
2. Step 2: Convert to fraction form
   3,880,140/5,873,889 = 5,873,889/x
3. Step 3: Cross multiply
   3,880,140x = 5,873,889 × 5,873,889
4. Step 4: Simplify right side
   3,880,140x = 34,502,571,984,321
5. Step 5: Solve for x
   x = 34,502,571,984,321/3,880,140
6. Step 6: Final answer
   x = 8,892,094.61