Finding the Third Proportional to 761,930 and 1,139,157

Step by Step Solution

1. Step 1: Write the proportion equation
   761,930 : 1,139,157 = 1,139,157 : x
2. Step 2: Convert to fraction form
   761,930/1,139,157 = 1,139,157/x
3. Step 3: Cross multiply
   761,930x = 1,139,157 × 1,139,157
4. Step 4: Simplify right side
   761,930x = 1,297,678,670,649
5. Step 5: Solve for x
   x = 1,297,678,670,649/761,930
6. Step 6: Final answer
   x = 1,703,146.84