Finding the Third Proportional to 540,967.50 and 842,070

Step by Step Solution

1. Step 1: Write the proportion equation
   540,967.50 : 842,070 = 842,070 : x
2. Step 2: Convert to fraction form
   540,967.50/842,070 = 842,070/x
3. Step 3: Cross multiply
   540,967.50x = 842,070 × 842,070
4. Step 4: Simplify right side
   540,967.50x = 709,081,884,900
5. Step 5: Solve for x
   x = 709,081,884,900/540,967.50
6. Step 6: Final answer
   x = 1,310,766.15