Finding the Third Proportional to 6,668,752.50 and 10,003,128

Step by Step Solution

1. Step 1: Write the proportion equation
   6,668,752.50 : 10,003,128 = 10,003,128 : x
2. Step 2: Convert to fraction form
   6,668,752.50/10,003,128 = 10,003,128/x
3. Step 3: Cross multiply
   6,668,752.50x = 10,003,128 × 10,003,128
4. Step 4: Simplify right side
   6,668,752.50x = 100,062,569,784,384
5. Step 5: Solve for x
   x = 100,062,569,784,384/6,668,752.50
6. Step 6: Final answer
   x = 15,004,690.88