Finding the Third Proportional to 357,282 and 552,973.50

Step by Step Solution

1. Step 1: Write the proportion equation
   357,282 : 552,973.50 = 552,973.50 : x
2. Step 2: Convert to fraction form
   357,282/552,973.50 = 552,973.50/x
3. Step 3: Cross multiply
   357,282x = 552,973.50 × 552,973.50
4. Step 4: Simplify right side
   357,282x = 305,779,691,702.25
5. Step 5: Solve for x
   x = 305,779,691,702.25/357,282
6. Step 6: Final answer
   x = 855,849.70