Finding the Third Proportional to 786,080 and 1,684,300

Step by Step Solution

1. Step 1: Write the proportion equation
   786,080 : 1,684,300 = 1,684,300 : x
2. Step 2: Convert to fraction form
   786,080/1,684,300 = 1,684,300/x
3. Step 3: Cross multiply
   786,080x = 1,684,300 × 1,684,300
4. Step 4: Simplify right side
   786,080x = 2,836,866,490,000
5. Step 5: Solve for x
   x = 2,836,866,490,000/786,080
6. Step 6: Final answer
   x = 3,608,877.58