Finding the Third Proportional to 5,739,178 and 8,789,560

Step by Step Solution

1. Step 1: Write the proportion equation
   5,739,178 : 8,789,560 = 8,789,560 : x
2. Step 2: Convert to fraction form
   5,739,178/8,789,560 = 8,789,560/x
3. Step 3: Cross multiply
   5,739,178x = 8,789,560 × 8,789,560
4. Step 4: Simplify right side
   5,739,178x = 77,256,364,993,600
5. Step 5: Solve for x
   x = 77,256,364,993,600/5,739,178
6. Step 6: Final answer
   x = 13,461,224.76