Finding the Third Proportional to 238,656 and 514,666.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,656 : 514,666.50 = 514,666.50 : x
2. Step 2: Convert to fraction form
   238,656/514,666.50 = 514,666.50/x
3. Step 3: Cross multiply
   238,656x = 514,666.50 × 514,666.50
4. Step 4: Simplify right side
   238,656x = 264,881,606,222.25
5. Step 5: Solve for x
   x = 264,881,606,222.25/238,656
6. Step 6: Final answer
   x = 1,109,888.74