Finding the Third Proportional to 987,447 and 1,323,706.50

Step by Step Solution

1. Step 1: Write the proportion equation
   987,447 : 1,323,706.50 = 1,323,706.50 : x
2. Step 2: Convert to fraction form
   987,447/1,323,706.50 = 1,323,706.50/x
3. Step 3: Cross multiply
   987,447x = 1,323,706.50 × 1,323,706.50
4. Step 4: Simplify right side
   987,447x = 1,752,198,898,142.25
5. Step 5: Solve for x
   x = 1,752,198,898,142.25/987,447
6. Step 6: Final answer
   x = 1,774,473.87