Finding the Third Proportional to 5,663,670 and 8,495,412

Step by Step Solution

1. Step 1: Write the proportion equation
   5,663,670 : 8,495,412 = 8,495,412 : x
2. Step 2: Convert to fraction form
   5,663,670/8,495,412 = 8,495,412/x
3. Step 3: Cross multiply
   5,663,670x = 8,495,412 × 8,495,412
4. Step 4: Simplify right side
   5,663,670x = 72,172,025,049,744
5. Step 5: Solve for x
   x = 72,172,025,049,744/5,663,670
6. Step 6: Final answer
   x = 12,742,978.50