Finding the Third Proportional to 607,156 and 1,306,156

Step by Step Solution

1. Step 1: Write the proportion equation
   607,156 : 1,306,156 = 1,306,156 : x
2. Step 2: Convert to fraction form
   607,156/1,306,156 = 1,306,156/x
3. Step 3: Cross multiply
   607,156x = 1,306,156 × 1,306,156
4. Step 4: Simplify right side
   607,156x = 1,706,043,496,336
5. Step 5: Solve for x
   x = 1,706,043,496,336/607,156
6. Step 6: Final answer
   x = 2,809,893.17