Finding the Third Proportional to 465,660 and 712,023.75

Step by Step Solution

1. Step 1: Write the proportion equation
   465,660 : 712,023.75 = 712,023.75 : x
2. Step 2: Convert to fraction form
   465,660/712,023.75 = 712,023.75/x
3. Step 3: Cross multiply
   465,660x = 712,023.75 × 712,023.75
4. Step 4: Simplify right side
   465,660x = 506,977,820,564.06
5. Step 5: Solve for x
   x = 506,977,820,564.06/465,660
6. Step 6: Final answer
   x = 1,088,729.59