Finding the Third Proportional to 353,442 and 546,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   353,442 : 546,055.50 = 546,055.50 : x
2. Step 2: Convert to fraction form
   353,442/546,055.50 = 546,055.50/x
3. Step 3: Cross multiply
   353,442x = 546,055.50 × 546,055.50
4. Step 4: Simplify right side
   353,442x = 298,176,609,080.25
5. Step 5: Solve for x
   x = 298,176,609,080.25/353,442
6. Step 6: Final answer
   x = 843,636.61