Finding the Third Proportional to 2,370,172 and 5,591,642

Step by Step Solution

1. Step 1: Write the proportion equation
   2,370,172 : 5,591,642 = 5,591,642 : x
2. Step 2: Convert to fraction form
   2,370,172/5,591,642 = 5,591,642/x
3. Step 3: Cross multiply
   2,370,172x = 5,591,642 × 5,591,642
4. Step 4: Simplify right side
   2,370,172x = 31,266,460,256,164
5. Step 5: Solve for x
   x = 31,266,460,256,164/2,370,172
6. Step 6: Final answer
   x = 13,191,641.90