Finding the Third Proportional to 543,411.75 and 1,191,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   543,411.75 : 1,191,799.50 = 1,191,799.50 : x
2. Step 2: Convert to fraction form
   543,411.75/1,191,799.50 = 1,191,799.50/x
3. Step 3: Cross multiply
   543,411.75x = 1,191,799.50 × 1,191,799.50
4. Step 4: Simplify right side
   543,411.75x = 1,420,386,048,200.25
5. Step 5: Solve for x
   x = 1,420,386,048,200.25/543,411.75
6. Step 6: Final answer
   x = 2,613,830.21