Finding the Third Proportional to 569,964 and 889,453.50

Step by Step Solution

1. Step 1: Write the proportion equation
   569,964 : 889,453.50 = 889,453.50 : x
2. Step 2: Convert to fraction form
   569,964/889,453.50 = 889,453.50/x
3. Step 3: Cross multiply
   569,964x = 889,453.50 × 889,453.50
4. Step 4: Simplify right side
   569,964x = 791,127,528,662.25
5. Step 5: Solve for x
   x = 791,127,528,662.25/569,964
6. Step 6: Final answer
   x = 1,388,030.70