Finding the Third Proportional to 17,757,382 and 38,971,142

Step by Step Solution

1. Step 1: Write the proportion equation
   17,757,382 : 38,971,142 = 38,971,142 : x
2. Step 2: Convert to fraction form
   17,757,382/38,971,142 = 38,971,142/x
3. Step 3: Cross multiply
   17,757,382x = 38,971,142 × 38,971,142
4. Step 4: Simplify right side
   17,757,382x = 1,518,749,908,784,164
5. Step 5: Solve for x
   x = 1,518,749,908,784,164/17,757,382
6. Step 6: Final answer
   x = 85,527,805.21