Finding the Third Proportional to 484,683 and 804,988.50

Step by Step Solution

1. Step 1: Write the proportion equation
   484,683 : 804,988.50 = 804,988.50 : x
2. Step 2: Convert to fraction form
   484,683/804,988.50 = 804,988.50/x
3. Step 3: Cross multiply
   484,683x = 804,988.50 × 804,988.50
4. Step 4: Simplify right side
   484,683x = 648,006,485,132.25
5. Step 5: Solve for x
   x = 648,006,485,132.25/484,683
6. Step 6: Final answer
   x = 1,336,969.70