Finding the Third Proportional to 200,670 and 272,845.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,670 : 272,845.50 = 272,845.50 : x
2. Step 2: Convert to fraction form
   200,670/272,845.50 = 272,845.50/x
3. Step 3: Cross multiply
   200,670x = 272,845.50 × 272,845.50
4. Step 4: Simplify right side
   200,670x = 74,444,666,870.25
5. Step 5: Solve for x
   x = 74,444,666,870.25/200,670
6. Step 6: Final answer
   x = 370,980.55