Finding the Third Proportional to 5,721,250 and 8,640,196

Step by Step Solution

1. Step 1: Write the proportion equation
   5,721,250 : 8,640,196 = 8,640,196 : x
2. Step 2: Convert to fraction form
   5,721,250/8,640,196 = 8,640,196/x
3. Step 3: Cross multiply
   5,721,250x = 8,640,196 × 8,640,196
4. Step 4: Simplify right side
   5,721,250x = 74,652,986,918,416
5. Step 5: Solve for x
   x = 74,652,986,918,416/5,721,250
6. Step 6: Final answer
   x = 13,048,370.01