Finding the Third Proportional to 7,138,963.50 and 10,724,269.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,138,963.50 : 10,724,269.50 = 10,724,269.50 : x
2. Step 2: Convert to fraction form
   7,138,963.50/10,724,269.50 = 10,724,269.50/x
3. Step 3: Cross multiply
   7,138,963.50x = 10,724,269.50 × 10,724,269.50
4. Step 4: Simplify right side
   7,138,963.50x = 115,009,956,308,630.25
5. Step 5: Solve for x
   x = 115,009,956,308,630.25/7,138,963.50
6. Step 6: Final answer
   x = 16,110,175.70