Finding the Third Proportional to 359,416,111.50 and 513,614,971.88

Step by Step Solution

1. Step 1: Write the proportion equation
   359,416,111.50 : 513,614,971.88 = 513,614,971.88 : x
2. Step 2: Convert to fraction form
   359,416,111.50/513,614,971.88 = 513,614,971.88/x
3. Step 3: Cross multiply
   359,416,111.50x = 513,614,971.88 × 513,614,971.88
4. Step 4: Simplify right side
   359,416,111.50x = 263,800,339,334,157,056
5. Step 5: Solve for x
   x = 263,800,339,334,157,056/359,416,111.50
6. Step 6: Final answer
   x = 733,969,154.12