Finding the Third Proportional to 287,411.91 and 604,598.06

Step by Step Solution

1. Step 1: Write the proportion equation
   287,411.91 : 604,598.06 = 604,598.06 : x
2. Step 2: Convert to fraction form
   287,411.91/604,598.06 = 604,598.06/x
3. Step 3: Cross multiply
   287,411.91x = 604,598.06 × 604,598.06
4. Step 4: Simplify right side
   287,411.91x = 365,538,817,178.75
5. Step 5: Solve for x
   x = 365,538,817,178.75/287,411.91
6. Step 6: Final answer
   x = 1,271,829.07