Finding the Third Proportional to 480,839.50 and 761,384.50

Step by Step Solution

1. Step 1: Write the proportion equation
   480,839.50 : 761,384.50 = 761,384.50 : x
2. Step 2: Convert to fraction form
   480,839.50/761,384.50 = 761,384.50/x
3. Step 3: Cross multiply
   480,839.50x = 761,384.50 × 761,384.50
4. Step 4: Simplify right side
   480,839.50x = 579,706,356,840.25
5. Step 5: Solve for x
   x = 579,706,356,840.25/480,839.50
6. Step 6: Final answer
   x = 1,205,613.01