Finding the Third Proportional to 139,230,243 and 295,057,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   139,230,243 : 295,057,561.50 = 295,057,561.50 : x
2. Step 2: Convert to fraction form
   139,230,243/295,057,561.50 = 295,057,561.50/x
3. Step 3: Cross multiply
   139,230,243x = 295,057,561.50 × 295,057,561.50
4. Step 4: Simplify right side
   139,230,243x = 87,058,964,598,326,288
5. Step 5: Solve for x
   x = 87,058,964,598,326,288/139,230,243
6. Step 6: Final answer
   x = 625,287,744.40