Finding the Third Proportional to 5,594,361 and 8,638,674

Step by Step Solution

1. Step 1: Write the proportion equation
   5,594,361 : 8,638,674 = 8,638,674 : x
2. Step 2: Convert to fraction form
   5,594,361/8,638,674 = 8,638,674/x
3. Step 3: Cross multiply
   5,594,361x = 8,638,674 × 8,638,674
4. Step 4: Simplify right side
   5,594,361x = 74,626,688,478,276
5. Step 5: Solve for x
   x = 74,626,688,478,276/5,594,361
6. Step 6: Final answer
   x = 13,339,626.90