Finding the Third Proportional to 503,071 and 761,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   503,071 : 761,086.50 = 761,086.50 : x
2. Step 2: Convert to fraction form
   503,071/761,086.50 = 761,086.50/x
3. Step 3: Cross multiply
   503,071x = 761,086.50 × 761,086.50
4. Step 4: Simplify right side
   503,071x = 579,252,660,482.25
5. Step 5: Solve for x
   x = 579,252,660,482.25/503,071
6. Step 6: Final answer
   x = 1,151,433.22