Finding the Third Proportional to 17,756,394 and 38,156,142

Step by Step Solution

1. Step 1: Write the proportion equation
   17,756,394 : 38,156,142 = 38,156,142 : x
2. Step 2: Convert to fraction form
   17,756,394/38,156,142 = 38,156,142/x
3. Step 3: Cross multiply
   17,756,394x = 38,156,142 × 38,156,142
4. Step 4: Simplify right side
   17,756,394x = 1,455,891,172,324,164
5. Step 5: Solve for x
   x = 1,455,891,172,324,164/17,756,394
6. Step 6: Final answer
   x = 81,992,502.10