Finding the Third Proportional to 371,316.50 and 812,184.50

Step by Step Solution

1. Step 1: Write the proportion equation
   371,316.50 : 812,184.50 = 812,184.50 : x
2. Step 2: Convert to fraction form
   371,316.50/812,184.50 = 812,184.50/x
3. Step 3: Cross multiply
   371,316.50x = 812,184.50 × 812,184.50
4. Step 4: Simplify right side
   371,316.50x = 659,643,662,040.25
5. Step 5: Solve for x
   x = 659,643,662,040.25/371,316.50
6. Step 6: Final answer
   x = 1,776,499.73