Finding the Third Proportional to 176,503,838 and 384,788,300

Step by Step Solution

1. Step 1: Write the proportion equation
   176,503,838 : 384,788,300 = 384,788,300 : x
2. Step 2: Convert to fraction form
   176,503,838/384,788,300 = 384,788,300/x
3. Step 3: Cross multiply
   176,503,838x = 384,788,300 × 384,788,300
4. Step 4: Simplify right side
   176,503,838x = 148,062,035,816,889,984
5. Step 5: Solve for x
   x = 148,062,035,816,889,984/176,503,838
6. Step 6: Final answer
   x = 838,860,148.85