Finding the Third Proportional to 651,109.50 and 1,428,277.50

Step by Step Solution

1. Step 1: Write the proportion equation
   651,109.50 : 1,428,277.50 = 1,428,277.50 : x
2. Step 2: Convert to fraction form
   651,109.50/1,428,277.50 = 1,428,277.50/x
3. Step 3: Cross multiply
   651,109.50x = 1,428,277.50 × 1,428,277.50
4. Step 4: Simplify right side
   651,109.50x = 2,039,976,617,006.25
5. Step 5: Solve for x
   x = 2,039,976,617,006.25/651,109.50
6. Step 6: Final answer
   x = 3,133,077.64