Finding the Third Proportional to 607,079.50 and 877,057

Step by Step Solution

1. Step 1: Write the proportion equation
   607,079.50 : 877,057 = 877,057 : x
2. Step 2: Convert to fraction form
   607,079.50/877,057 = 877,057/x
3. Step 3: Cross multiply
   607,079.50x = 877,057 × 877,057
4. Step 4: Simplify right side
   607,079.50x = 769,228,981,249
5. Step 5: Solve for x
   x = 769,228,981,249/607,079.50
6. Step 6: Final answer
   x = 1,267,097.61