Finding the Third Proportional to 438,435.50 and 942,138

Step by Step Solution

1. Step 1: Write the proportion equation
   438,435.50 : 942,138 = 942,138 : x
2. Step 2: Convert to fraction form
   438,435.50/942,138 = 942,138/x
3. Step 3: Cross multiply
   438,435.50x = 942,138 × 942,138
4. Step 4: Simplify right side
   438,435.50x = 887,624,011,044
5. Step 5: Solve for x
   x = 887,624,011,044/438,435.50
6. Step 6: Final answer
   x = 2,024,525.87