Finding the Third Proportional to 272,700 and 585,877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   272,700 : 585,877.50 = 585,877.50 : x
2. Step 2: Convert to fraction form
   272,700/585,877.50 = 585,877.50/x
3. Step 3: Cross multiply
   272,700x = 585,877.50 × 585,877.50
4. Step 4: Simplify right side
   272,700x = 343,252,445,006.25
5. Step 5: Solve for x
   x = 343,252,445,006.25/272,700
6. Step 6: Final answer
   x = 1,258,718.17