Finding the Third Proportional to 230,139 and 492,263.25

Step by Step Solution

1. Step 1: Write the proportion equation
   230,139 : 492,263.25 = 492,263.25 : x
2. Step 2: Convert to fraction form
   230,139/492,263.25 = 492,263.25/x
3. Step 3: Cross multiply
   230,139x = 492,263.25 × 492,263.25
4. Step 4: Simplify right side
   230,139x = 242,323,107,300.56
5. Step 5: Solve for x
   x = 242,323,107,300.56/230,139
6. Step 6: Final answer
   x = 1,052,942.38