Finding the Third Proportional to 319,050 and 696,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   319,050 : 696,055.50 = 696,055.50 : x
2. Step 2: Convert to fraction form
   319,050/696,055.50 = 696,055.50/x
3. Step 3: Cross multiply
   319,050x = 696,055.50 × 696,055.50
4. Step 4: Simplify right side
   319,050x = 484,493,259,080.25
5. Step 5: Solve for x
   x = 484,493,259,080.25/319,050
6. Step 6: Final answer
   x = 1,518,549.63