Finding the Third Proportional to 543,432 and 1,191,840

Step by Step Solution

1. Step 1: Write the proportion equation
   543,432 : 1,191,840 = 1,191,840 : x
2. Step 2: Convert to fraction form
   543,432/1,191,840 = 1,191,840/x
3. Step 3: Cross multiply
   543,432x = 1,191,840 × 1,191,840
4. Step 4: Simplify right side
   543,432x = 1,420,482,585,600
5. Step 5: Solve for x
   x = 1,420,482,585,600/543,432
6. Step 6: Final answer
   x = 2,613,910.45