Finding the Third Proportional to 342,669 and 527,071.50

Step by Step Solution

1. Step 1: Write the proportion equation
   342,669 : 527,071.50 = 527,071.50 : x
2. Step 2: Convert to fraction form
   342,669/527,071.50 = 527,071.50/x
3. Step 3: Cross multiply
   342,669x = 527,071.50 × 527,071.50
4. Step 4: Simplify right side
   342,669x = 277,804,366,112.25
5. Step 5: Solve for x
   x = 277,804,366,112.25/342,669
6. Step 6: Final answer
   x = 810,707.61