Finding the Third Proportional to 1,187,784 and 1,912,410

Step by Step Solution

1. Step 1: Write the proportion equation
   1,187,784 : 1,912,410 = 1,912,410 : x
2. Step 2: Convert to fraction form
   1,187,784/1,912,410 = 1,912,410/x
3. Step 3: Cross multiply
   1,187,784x = 1,912,410 × 1,912,410
4. Step 4: Simplify right side
   1,187,784x = 3,657,312,008,100
5. Step 5: Solve for x
   x = 3,657,312,008,100/1,187,784
6. Step 6: Final answer
   x = 3,079,105.30