Finding the Third Proportional to 83,672,698.50 and 180,790,155

Step by Step Solution

1. Step 1: Write the proportion equation
   83,672,698.50 : 180,790,155 = 180,790,155 : x
2. Step 2: Convert to fraction form
   83,672,698.50/180,790,155 = 180,790,155/x
3. Step 3: Cross multiply
   83,672,698.50x = 180,790,155 × 180,790,155
4. Step 4: Simplify right side
   83,672,698.50x = 32,685,080,144,924,024
5. Step 5: Solve for x
   x = 32,685,080,144,924,024/83,672,698.50
6. Step 6: Final answer
   x = 390,630,166.48