Finding the Third Proportional to 32,420,878.50 and 69,475,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,420,878.50 : 69,475,258.50 = 69,475,258.50 : x
2. Step 2: Convert to fraction form
   32,420,878.50/69,475,258.50 = 69,475,258.50/x
3. Step 3: Cross multiply
   32,420,878.50x = 69,475,258.50 × 69,475,258.50
4. Step 4: Simplify right side
   32,420,878.50x = 4,826,811,543,641,822
5. Step 5: Solve for x
   x = 4,826,811,543,641,822/32,420,878.50
6. Step 6: Final answer
   x = 148,879,727.11