Finding the Third Proportional to 71,139,865.50 and 153,065,043

Step by Step Solution

1. Step 1: Write the proportion equation
   71,139,865.50 : 153,065,043 = 153,065,043 : x
2. Step 2: Convert to fraction form
   71,139,865.50/153,065,043 = 153,065,043/x
3. Step 3: Cross multiply
   71,139,865.50x = 153,065,043 × 153,065,043
4. Step 4: Simplify right side
   71,139,865.50x = 23,428,907,388,591,848
5. Step 5: Solve for x
   x = 23,428,907,388,591,848/71,139,865.50
6. Step 6: Final answer
   x = 329,335,840.37