Finding the Third Proportional to 438,032 and 910,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   438,032 : 910,931.50 = 910,931.50 : x
2. Step 2: Convert to fraction form
   438,032/910,931.50 = 910,931.50/x
3. Step 3: Cross multiply
   438,032x = 910,931.50 × 910,931.50
4. Step 4: Simplify right side
   438,032x = 829,796,197,692.25
5. Step 5: Solve for x
   x = 829,796,197,692.25/438,032
6. Step 6: Final answer
   x = 1,894,373.47