Finding the Third Proportional to 5,591,386 and 8,837,583

Step by Step Solution

1. Step 1: Write the proportion equation
   5,591,386 : 8,837,583 = 8,837,583 : x
2. Step 2: Convert to fraction form
   5,591,386/8,837,583 = 8,837,583/x
3. Step 3: Cross multiply
   5,591,386x = 8,837,583 × 8,837,583
4. Step 4: Simplify right side
   5,591,386x = 78,102,873,281,889
5. Step 5: Solve for x
   x = 78,102,873,281,889/5,591,386
6. Step 6: Final answer
   x = 13,968,428.09