Finding the Third Proportional to 272,166.50 and 591,070

Step by Step Solution

1. Step 1: Write the proportion equation
   272,166.50 : 591,070 = 591,070 : x
2. Step 2: Convert to fraction form
   272,166.50/591,070 = 591,070/x
3. Step 3: Cross multiply
   272,166.50x = 591,070 × 591,070
4. Step 4: Simplify right side
   272,166.50x = 349,363,744,900
5. Step 5: Solve for x
   x = 349,363,744,900/272,166.50
6. Step 6: Final answer
   x = 1,283,639.78