Finding the Third Proportional to 345,061.50 and 731,630.25

Step by Step Solution

1. Step 1: Write the proportion equation
   345,061.50 : 731,630.25 = 731,630.25 : x
2. Step 2: Convert to fraction form
   345,061.50/731,630.25 = 731,630.25/x
3. Step 3: Cross multiply
   345,061.50x = 731,630.25 × 731,630.25
4. Step 4: Simplify right side
   345,061.50x = 535,282,822,715.06
5. Step 5: Solve for x
   x = 535,282,822,715.06/345,061.50
6. Step 6: Final answer
   x = 1,551,267.88