Finding the Third Proportional to 9,472,386 and 13,197,388.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,472,386 : 13,197,388.50 = 13,197,388.50 : x
2. Step 2: Convert to fraction form
   9,472,386/13,197,388.50 = 13,197,388.50/x
3. Step 3: Cross multiply
   9,472,386x = 13,197,388.50 × 13,197,388.50
4. Step 4: Simplify right side
   9,472,386x = 174,171,063,219,932.25
5. Step 5: Solve for x
   x = 174,171,063,219,932.25/9,472,386
6. Step 6: Final answer
   x = 18,387,243.01