Finding the Third Proportional to 17,787,562 and 38,786,900

Step by Step Solution

1. Step 1: Write the proportion equation
   17,787,562 : 38,786,900 = 38,786,900 : x
2. Step 2: Convert to fraction form
   17,787,562/38,786,900 = 38,786,900/x
3. Step 3: Cross multiply
   17,787,562x = 38,786,900 × 38,786,900
4. Step 4: Simplify right side
   17,787,562x = 1,504,423,611,610,000
5. Step 5: Solve for x
   x = 1,504,423,611,610,000/17,787,562
6. Step 6: Final answer
   x = 84,577,279.99