Finding the Third Proportional to 5,402,196 and 8,240,494.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,402,196 : 8,240,494.50 = 8,240,494.50 : x
2. Step 2: Convert to fraction form
   5,402,196/8,240,494.50 = 8,240,494.50/x
3. Step 3: Cross multiply
   5,402,196x = 8,240,494.50 × 8,240,494.50
4. Step 4: Simplify right side
   5,402,196x = 67,905,749,604,530.25
5. Step 5: Solve for x
   x = 67,905,749,604,530.25/5,402,196
6. Step 6: Final answer
   x = 12,570,027.00