Finding the Third Proportional to 17,779,498 and 38,789,448

Step by Step Solution

1. Step 1: Write the proportion equation
   17,779,498 : 38,789,448 = 38,789,448 : x
2. Step 2: Convert to fraction form
   17,779,498/38,789,448 = 38,789,448/x
3. Step 3: Cross multiply
   17,779,498x = 38,789,448 × 38,789,448
4. Step 4: Simplify right side
   17,779,498x = 1,504,621,276,144,704
5. Step 5: Solve for x
   x = 1,504,621,276,144,704/17,779,498
6. Step 6: Final answer
   x = 84,626,758.09