Finding the Third Proportional to 1,776,643 and 2,861,186

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776,643 : 2,861,186 = 2,861,186 : x
2. Step 2: Convert to fraction form
   1,776,643/2,861,186 = 2,861,186/x
3. Step 3: Cross multiply
   1,776,643x = 2,861,186 × 2,861,186
4. Step 4: Simplify right side
   1,776,643x = 8,186,385,326,596
5. Step 5: Solve for x
   x = 8,186,385,326,596/1,776,643
6. Step 6: Final answer
   x = 4,607,782.95