Finding the Third Proportional to 248,670 and 537,070.50

Step by Step Solution

1. Step 1: Write the proportion equation
   248,670 : 537,070.50 = 537,070.50 : x
2. Step 2: Convert to fraction form
   248,670/537,070.50 = 537,070.50/x
3. Step 3: Cross multiply
   248,670x = 537,070.50 × 537,070.50
4. Step 4: Simplify right side
   248,670x = 288,444,721,970.25
5. Step 5: Solve for x
   x = 288,444,721,970.25/248,670
6. Step 6: Final answer
   x = 1,159,949.82