Finding the Third Proportional to 152,710 and 237,789

Step by Step Solution

1. Step 1: Write the proportion equation
   152,710 : 237,789 = 237,789 : x
2. Step 2: Convert to fraction form
   152,710/237,789 = 237,789/x
3. Step 3: Cross multiply
   152,710x = 237,789 × 237,789
4. Step 4: Simplify right side
   152,710x = 56,543,608,521
5. Step 5: Solve for x
   x = 56,543,608,521/152,710
6. Step 6: Final answer
   x = 370,267.88