Finding the Third Proportional to 602,281 and 880,783.50

Step by Step Solution

1. Step 1: Write the proportion equation
   602,281 : 880,783.50 = 880,783.50 : x
2. Step 2: Convert to fraction form
   602,281/880,783.50 = 880,783.50/x
3. Step 3: Cross multiply
   602,281x = 880,783.50 × 880,783.50
4. Step 4: Simplify right side
   602,281x = 775,779,573,872.25
5. Step 5: Solve for x
   x = 775,779,573,872.25/602,281
6. Step 6: Final answer
   x = 1,288,069.15