Finding the Third Proportional to 560,064 and 880,918.50

Step by Step Solution

1. Step 1: Write the proportion equation
   560,064 : 880,918.50 = 880,918.50 : x
2. Step 2: Convert to fraction form
   560,064/880,918.50 = 880,918.50/x
3. Step 3: Cross multiply
   560,064x = 880,918.50 × 880,918.50
4. Step 4: Simplify right side
   560,064x = 776,017,403,642.25
5. Step 5: Solve for x
   x = 776,017,403,642.25/560,064
6. Step 6: Final answer
   x = 1,385,587.01