Finding the Third Proportional to 266,193 and 402,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   266,193 : 402,061.50 = 402,061.50 : x
2. Step 2: Convert to fraction form
   266,193/402,061.50 = 402,061.50/x
3. Step 3: Cross multiply
   266,193x = 402,061.50 × 402,061.50
4. Step 4: Simplify right side
   266,193x = 161,653,449,782.25
5. Step 5: Solve for x
   x = 161,653,449,782.25/266,193
6. Step 6: Final answer
   x = 607,279.12