Finding the Third Proportional to 683,212.50 and 973,251

Step by Step Solution

1. Step 1: Write the proportion equation
   683,212.50 : 973,251 = 973,251 : x
2. Step 2: Convert to fraction form
   683,212.50/973,251 = 973,251/x
3. Step 3: Cross multiply
   683,212.50x = 973,251 × 973,251
4. Step 4: Simplify right side
   683,212.50x = 947,217,509,001
5. Step 5: Solve for x
   x = 947,217,509,001/683,212.50
6. Step 6: Final answer
   x = 1,386,417.12