Finding the Third Proportional to 314,011.50 and 680,151

Step by Step Solution

1. Step 1: Write the proportion equation
   314,011.50 : 680,151 = 680,151 : x
2. Step 2: Convert to fraction form
   314,011.50/680,151 = 680,151/x
3. Step 3: Cross multiply
   314,011.50x = 680,151 × 680,151
4. Step 4: Simplify right side
   314,011.50x = 462,605,382,801
5. Step 5: Solve for x
   x = 462,605,382,801/314,011.50
6. Step 6: Final answer
   x = 1,473,211.60