Finding the Third Proportional to 137,994 and 281,212.50

Step by Step Solution

1. Step 1: Write the proportion equation
   137,994 : 281,212.50 = 281,212.50 : x
2. Step 2: Convert to fraction form
   137,994/281,212.50 = 281,212.50/x
3. Step 3: Cross multiply
   137,994x = 281,212.50 × 281,212.50
4. Step 4: Simplify right side
   137,994x = 79,080,470,156.25
5. Step 5: Solve for x
   x = 79,080,470,156.25/137,994
6. Step 6: Final answer
   x = 573,071.80