Finding the Third Proportional to 5,151,196 and 10,172,744.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,151,196 : 10,172,744.50 = 10,172,744.50 : x
2. Step 2: Convert to fraction form
   5,151,196/10,172,744.50 = 10,172,744.50/x
3. Step 3: Cross multiply
   5,151,196x = 10,172,744.50 × 10,172,744.50
4. Step 4: Simplify right side
   5,151,196x = 103,484,730,662,280.25
5. Step 5: Solve for x
   x = 103,484,730,662,280.25/5,151,196
6. Step 6: Final answer
   x = 20,089,457.02