Finding the Third Proportional to 610,777.50 and 1,316,222.50

Step by Step Solution

1. Step 1: Write the proportion equation
   610,777.50 : 1,316,222.50 = 1,316,222.50 : x
2. Step 2: Convert to fraction form
   610,777.50/1,316,222.50 = 1,316,222.50/x
3. Step 3: Cross multiply
   610,777.50x = 1,316,222.50 × 1,316,222.50
4. Step 4: Simplify right side
   610,777.50x = 1,732,441,669,506.25
5. Step 5: Solve for x
   x = 1,732,441,669,506.25/610,777.50
6. Step 6: Final answer
   x = 2,836,453.00