Finding the Third Proportional to 617,314.50 and 881,066.25

Step by Step Solution

1. Step 1: Write the proportion equation
   617,314.50 : 881,066.25 = 881,066.25 : x
2. Step 2: Convert to fraction form
   617,314.50/881,066.25 = 881,066.25/x
3. Step 3: Cross multiply
   617,314.50x = 881,066.25 × 881,066.25
4. Step 4: Simplify right side
   617,314.50x = 776,277,736,889.06
5. Step 5: Solve for x
   x = 776,277,736,889.06/617,314.50
6. Step 6: Final answer
   x = 1,257,507.70