Finding the Third Proportional to 371,043 and 813,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   371,043 : 813,100.50 = 813,100.50 : x
2. Step 2: Convert to fraction form
   371,043/813,100.50 = 813,100.50/x
3. Step 3: Cross multiply
   371,043x = 813,100.50 × 813,100.50
4. Step 4: Simplify right side
   371,043x = 661,132,423,100.25
5. Step 5: Solve for x
   x = 661,132,423,100.25/371,043
6. Step 6: Final answer
   x = 1,781,821.58