Finding the Third Proportional to 5,739,174 and 8,789,553

Step by Step Solution

1. Step 1: Write the proportion equation
   5,739,174 : 8,789,553 = 8,789,553 : x
2. Step 2: Convert to fraction form
   5,739,174/8,789,553 = 8,789,553/x
3. Step 3: Cross multiply
   5,739,174x = 8,789,553 × 8,789,553
4. Step 4: Simplify right side
   5,739,174x = 77,256,241,939,809
5. Step 5: Solve for x
   x = 77,256,241,939,809/5,739,174
6. Step 6: Final answer
   x = 13,461,212.70