Finding the Third Proportional to 706,354 and 1,056,709

Step by Step Solution

1. Step 1: Write the proportion equation
   706,354 : 1,056,709 = 1,056,709 : x
2. Step 2: Convert to fraction form
   706,354/1,056,709 = 1,056,709/x
3. Step 3: Cross multiply
   706,354x = 1,056,709 × 1,056,709
4. Step 4: Simplify right side
   706,354x = 1,116,633,910,681
5. Step 5: Solve for x
   x = 1,116,633,910,681/706,354
6. Step 6: Final answer
   x = 1,580,841.77