Finding the Third Proportional to 142,627.50 and 314,733.75

Step by Step Solution

1. Step 1: Write the proportion equation
   142,627.50 : 314,733.75 = 314,733.75 : x
2. Step 2: Convert to fraction form
   142,627.50/314,733.75 = 314,733.75/x
3. Step 3: Cross multiply
   142,627.50x = 314,733.75 × 314,733.75
4. Step 4: Simplify right side
   142,627.50x = 99,057,333,389.06
5. Step 5: Solve for x
   x = 99,057,333,389.06/142,627.50
6. Step 6: Final answer
   x = 694,517.77