Finding the Third Proportional to 359,843,776.50 and 552,860,196

Step by Step Solution

1. Step 1: Write the proportion equation
   359,843,776.50 : 552,860,196 = 552,860,196 : x
2. Step 2: Convert to fraction form
   359,843,776.50/552,860,196 = 552,860,196/x
3. Step 3: Cross multiply
   359,843,776.50x = 552,860,196 × 552,860,196
4. Step 4: Simplify right side
   359,843,776.50x = 305,654,396,321,158,400
5. Step 5: Solve for x
   x = 305,654,396,321,158,400/359,843,776.50
6. Step 6: Final answer
   x = 849,408,594.18