Finding the Third Proportional to 300,073.50 and 651,663

Step by Step Solution

1. Step 1: Write the proportion equation
   300,073.50 : 651,663 = 651,663 : x
2. Step 2: Convert to fraction form
   300,073.50/651,663 = 651,663/x
3. Step 3: Cross multiply
   300,073.50x = 651,663 × 651,663
4. Step 4: Simplify right side
   300,073.50x = 424,664,665,569
5. Step 5: Solve for x
   x = 424,664,665,569/300,073.50
6. Step 6: Final answer
   x = 1,415,202.16