Finding the Third Proportional to 5,126,166 and 7,209,607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,126,166 : 7,209,607.50 = 7,209,607.50 : x
2. Step 2: Convert to fraction form
   5,126,166/7,209,607.50 = 7,209,607.50/x
3. Step 3: Cross multiply
   5,126,166x = 7,209,607.50 × 7,209,607.50
4. Step 4: Simplify right side
   5,126,166x = 51,978,440,304,056.25
5. Step 5: Solve for x
   x = 51,978,440,304,056.25/5,126,166
6. Step 6: Final answer
   x = 10,139,827.76