Finding the Third Proportional to 139,864.50 and 301,842

Step by Step Solution

1. Step 1: Write the proportion equation
   139,864.50 : 301,842 = 301,842 : x
2. Step 2: Convert to fraction form
   139,864.50/301,842 = 301,842/x
3. Step 3: Cross multiply
   139,864.50x = 301,842 × 301,842
4. Step 4: Simplify right side
   139,864.50x = 91,108,592,964
5. Step 5: Solve for x
   x = 91,108,592,964/139,864.50
6. Step 6: Final answer
   x = 651,406.13