Finding the Third Proportional to 33,156,891 and 71,352,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,156,891 : 71,352,631.50 = 71,352,631.50 : x
2. Step 2: Convert to fraction form
   33,156,891/71,352,631.50 = 71,352,631.50/x
3. Step 3: Cross multiply
   33,156,891x = 71,352,631.50 × 71,352,631.50
4. Step 4: Simplify right side
   33,156,891x = 5,091,198,021,974,792
5. Step 5: Solve for x
   x = 5,091,198,021,974,792/33,156,891
6. Step 6: Final answer
   x = 153,548,715.47