Finding the Third Proportional to 524,172 and 785,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   524,172 : 785,434.50 = 785,434.50 : x
2. Step 2: Convert to fraction form
   524,172/785,434.50 = 785,434.50/x
3. Step 3: Cross multiply
   524,172x = 785,434.50 × 785,434.50
4. Step 4: Simplify right side
   524,172x = 616,907,353,790.25
5. Step 5: Solve for x
   x = 616,907,353,790.25/524,172
6. Step 6: Final answer
   x = 1,176,917.79