Finding the Third Proportional to 470,412 and 716,681.25

Step by Step Solution

1. Step 1: Write the proportion equation
   470,412 : 716,681.25 = 716,681.25 : x
2. Step 2: Convert to fraction form
   470,412/716,681.25 = 716,681.25/x
3. Step 3: Cross multiply
   470,412x = 716,681.25 × 716,681.25
4. Step 4: Simplify right side
   470,412x = 513,632,014,101.56
5. Step 5: Solve for x
   x = 513,632,014,101.56/470,412
6. Step 6: Final answer
   x = 1,091,876.94