Finding the Third Proportional to 3,953,301 and 8,663,047.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,953,301 : 8,663,047.50 = 8,663,047.50 : x
2. Step 2: Convert to fraction form
   3,953,301/8,663,047.50 = 8,663,047.50/x
3. Step 3: Cross multiply
   3,953,301x = 8,663,047.50 × 8,663,047.50
4. Step 4: Simplify right side
   3,953,301x = 75,048,391,987,256.25
5. Step 5: Solve for x
   x = 75,048,391,987,256.25/3,953,301
6. Step 6: Final answer
   x = 18,983,728.28