Finding the Third Proportional to 207,686,701.50 and 443,171,199

Step by Step Solution

1. Step 1: Write the proportion equation
   207,686,701.50 : 443,171,199 = 443,171,199 : x
2. Step 2: Convert to fraction form
   207,686,701.50/443,171,199 = 443,171,199/x
3. Step 3: Cross multiply
   207,686,701.50x = 443,171,199 × 443,171,199
4. Step 4: Simplify right side
   207,686,701.50x = 196,400,711,623,097,600
5. Step 5: Solve for x
   x = 196,400,711,623,097,600/207,686,701.50
6. Step 6: Final answer
   x = 945,658,581.92