Finding the Third Proportional to 538,848 and 784,579.50

Step by Step Solution

1. Step 1: Write the proportion equation
   538,848 : 784,579.50 = 784,579.50 : x
2. Step 2: Convert to fraction form
   538,848/784,579.50 = 784,579.50/x
3. Step 3: Cross multiply
   538,848x = 784,579.50 × 784,579.50
4. Step 4: Simplify right side
   538,848x = 615,564,991,820.25
5. Step 5: Solve for x
   x = 615,564,991,820.25/538,848
6. Step 6: Final answer
   x = 1,142,372.23