Finding the Third Proportional to 746,394 and 1,123,335

Step by Step Solution

1. Step 1: Write the proportion equation
   746,394 : 1,123,335 = 1,123,335 : x
2. Step 2: Convert to fraction form
   746,394/1,123,335 = 1,123,335/x
3. Step 3: Cross multiply
   746,394x = 1,123,335 × 1,123,335
4. Step 4: Simplify right side
   746,394x = 1,261,881,522,225
5. Step 5: Solve for x
   x = 1,261,881,522,225/746,394
6. Step 6: Final answer
   x = 1,690,637.28