Finding the Third Proportional to 708,899.50 and 1,076,455.50

Step by Step Solution

1. Step 1: Write the proportion equation
   708,899.50 : 1,076,455.50 = 1,076,455.50 : x
2. Step 2: Convert to fraction form
   708,899.50/1,076,455.50 = 1,076,455.50/x
3. Step 3: Cross multiply
   708,899.50x = 1,076,455.50 × 1,076,455.50
4. Step 4: Simplify right side
   708,899.50x = 1,158,756,443,480.25
5. Step 5: Solve for x
   x = 1,158,756,443,480.25/708,899.50
6. Step 6: Final answer
   x = 1,634,584.94