Finding the Third Proportional to 771,120 and 1,670,931

Step by Step Solution

1. Step 1: Write the proportion equation
   771,120 : 1,670,931 = 1,670,931 : x
2. Step 2: Convert to fraction form
   771,120/1,670,931 = 1,670,931/x
3. Step 3: Cross multiply
   771,120x = 1,670,931 × 1,670,931
4. Step 4: Simplify right side
   771,120x = 2,792,010,406,761
5. Step 5: Solve for x
   x = 2,792,010,406,761/771,120
6. Step 6: Final answer
   x = 3,620,721.04