Finding the Third Proportional to 291,585,618 and 594,902,300

Step by Step Solution

1. Step 1: Write the proportion equation
   291,585,618 : 594,902,300 = 594,902,300 : x
2. Step 2: Convert to fraction form
   291,585,618/594,902,300 = 594,902,300/x
3. Step 3: Cross multiply
   291,585,618x = 594,902,300 × 594,902,300
4. Step 4: Simplify right side
   291,585,618x = 353,908,746,545,289,984
5. Step 5: Solve for x
   x = 353,908,746,545,289,984/291,585,618
6. Step 6: Final answer
   x = 1,213,738,691.82