Finding the Third Proportional to 705,413 and 1,543,342

Step by Step Solution

1. Step 1: Write the proportion equation
   705,413 : 1,543,342 = 1,543,342 : x
2. Step 2: Convert to fraction form
   705,413/1,543,342 = 1,543,342/x
3. Step 3: Cross multiply
   705,413x = 1,543,342 × 1,543,342
4. Step 4: Simplify right side
   705,413x = 2,381,904,528,964
5. Step 5: Solve for x
   x = 2,381,904,528,964/705,413
6. Step 6: Final answer
   x = 3,376,609.91