Finding the Third Proportional to 538,303.50 and 784,107

Step by Step Solution

1. Step 1: Write the proportion equation
   538,303.50 : 784,107 = 784,107 : x
2. Step 2: Convert to fraction form
   538,303.50/784,107 = 784,107/x
3. Step 3: Cross multiply
   538,303.50x = 784,107 × 784,107
4. Step 4: Simplify right side
   538,303.50x = 614,823,787,449
5. Step 5: Solve for x
   x = 614,823,787,449/538,303.50
6. Step 6: Final answer
   x = 1,142,150.83