Finding the Third Proportional to 761,928 and 1,139,154

Step by Step Solution

1. Step 1: Write the proportion equation
   761,928 : 1,139,154 = 1,139,154 : x
2. Step 2: Convert to fraction form
   761,928/1,139,154 = 1,139,154/x
3. Step 3: Cross multiply
   761,928x = 1,139,154 × 1,139,154
4. Step 4: Simplify right side
   761,928x = 1,297,671,835,716
5. Step 5: Solve for x
   x = 1,297,671,835,716/761,928
6. Step 6: Final answer
   x = 1,703,142.34