Finding the Third Proportional to 29,789,435,137.50 and 64,809,005,931

Step by Step Solution

1. Step 1: Write the proportion equation
   29,789,435,137.50 : 64,809,005,931 = 64,809,005,931 : x
2. Step 2: Convert to fraction form
   29,789,435,137.50/64,809,005,931 = 64,809,005,931/x
3. Step 3: Cross multiply
   29,789,435,137.50x = 64,809,005,931 × 64,809,005,931
4. Step 4: Simplify right side
   29,789,435,137.50x = 4,200,207,249,764,393,156,608
5. Step 5: Solve for x
   x = 4,200,207,249,764,393,156,608/29,789,435,137.50
6. Step 6: Final answer
   x = 140,996,538,886.27