Finding the Third Proportional to 783,345.50 and 1,056,918.50

Step by Step Solution

1. Step 1: Write the proportion equation
   783,345.50 : 1,056,918.50 = 1,056,918.50 : x
2. Step 2: Convert to fraction form
   783,345.50/1,056,918.50 = 1,056,918.50/x
3. Step 3: Cross multiply
   783,345.50x = 1,056,918.50 × 1,056,918.50
4. Step 4: Simplify right side
   783,345.50x = 1,117,076,715,642.25
5. Step 5: Solve for x
   x = 1,117,076,715,642.25/783,345.50
6. Step 6: Final answer
   x = 1,426,033.23