Finding the Third Proportional to 33,137,729.50 and 69,709,528.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,137,729.50 : 69,709,528.50 = 69,709,528.50 : x
2. Step 2: Convert to fraction form
   33,137,729.50/69,709,528.50 = 69,709,528.50/x
3. Step 3: Cross multiply
   33,137,729.50x = 69,709,528.50 × 69,709,528.50
4. Step 4: Simplify right side
   33,137,729.50x = 4,859,418,363,692,312
5. Step 5: Solve for x
   x = 4,859,418,363,692,312/33,137,729.50
6. Step 6: Final answer
   x = 146,643,069.31