Finding the Third Proportional to 7,185,513 and 10,852,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,185,513 : 10,852,870.50 = 10,852,870.50 : x
2. Step 2: Convert to fraction form
   7,185,513/10,852,870.50 = 10,852,870.50/x
3. Step 3: Cross multiply
   7,185,513x = 10,852,870.50 × 10,852,870.50
4. Step 4: Simplify right side
   7,185,513x = 117,784,798,089,770.25
5. Step 5: Solve for x
   x = 117,784,798,089,770.25/7,185,513
6. Step 6: Final answer
   x = 16,391,981.77