Finding the Third Proportional to 786,460 and 1,186,134

Step by Step Solution

1. Step 1: Write the proportion equation
   786,460 : 1,186,134 = 1,186,134 : x
2. Step 2: Convert to fraction form
   786,460/1,186,134 = 1,186,134/x
3. Step 3: Cross multiply
   786,460x = 1,186,134 × 1,186,134
4. Step 4: Simplify right side
   786,460x = 1,406,913,865,956
5. Step 5: Solve for x
   x = 1,406,913,865,956/786,460
6. Step 6: Final answer
   x = 1,788,919.80