Finding the Third Proportional to 83,928,334.50 and 180,611,256

Step by Step Solution

1. Step 1: Write the proportion equation
   83,928,334.50 : 180,611,256 = 180,611,256 : x
2. Step 2: Convert to fraction form
   83,928,334.50/180,611,256 = 180,611,256/x
3. Step 3: Cross multiply
   83,928,334.50x = 180,611,256 × 180,611,256
4. Step 4: Simplify right side
   83,928,334.50x = 32,620,425,793,897,536
5. Step 5: Solve for x
   x = 32,620,425,793,897,536/83,928,334.50
6. Step 6: Final answer
   x = 388,670,000.28