Finding the Third Proportional to 1,389,672.94 and 2,076,328.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,389,672.94 : 2,076,328.88 = 2,076,328.88 : x
2. Step 2: Convert to fraction form
   1,389,672.94/2,076,328.88 = 2,076,328.88/x
3. Step 3: Cross multiply
   1,389,672.94x = 2,076,328.88 × 2,076,328.88
4. Step 4: Simplify right side
   1,389,672.94x = 4,311,141,597,158.77
5. Step 5: Solve for x
   x = 4,311,141,597,158.77/1,389,672.94
6. Step 6: Final answer
   x = 3,102,270.67