Finding the Third Proportional to 12,364,507 and 18,913,900

Step by Step Solution

1. Step 1: Write the proportion equation
   12,364,507 : 18,913,900 = 18,913,900 : x
2. Step 2: Convert to fraction form
   12,364,507/18,913,900 = 18,913,900/x
3. Step 3: Cross multiply
   12,364,507x = 18,913,900 × 18,913,900
4. Step 4: Simplify right side
   12,364,507x = 357,735,613,210,000
5. Step 5: Solve for x
   x = 357,735,613,210,000/12,364,507
6. Step 6: Final answer
   x = 28,932,460.73