Finding the Third Proportional to 607,079 and 877,054

Step by Step Solution

1. Step 1: Write the proportion equation
   607,079 : 877,054 = 877,054 : x
2. Step 2: Convert to fraction form
   607,079/877,054 = 877,054/x
3. Step 3: Cross multiply
   607,079x = 877,054 × 877,054
4. Step 4: Simplify right side
   607,079x = 769,223,718,916
5. Step 5: Solve for x
   x = 769,223,718,916/607,079
6. Step 6: Final answer
   x = 1,267,089.98