Finding the Third Proportional to 6,903,873 and 10,355,809.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,903,873 : 10,355,809.50 = 10,355,809.50 : x
2. Step 2: Convert to fraction form
   6,903,873/10,355,809.50 = 10,355,809.50/x
3. Step 3: Cross multiply
   6,903,873x = 10,355,809.50 × 10,355,809.50
4. Step 4: Simplify right side
   6,903,873x = 107,242,790,400,290.25
5. Step 5: Solve for x
   x = 107,242,790,400,290.25/6,903,873
6. Step 6: Final answer
   x = 15,533,714.25