Finding the Third Proportional to 3,663,246 and 5,385,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663,246 : 5,385,109.50 = 5,385,109.50 : x
2. Step 2: Convert to fraction form
   3,663,246/5,385,109.50 = 5,385,109.50/x
3. Step 3: Cross multiply
   3,663,246x = 5,385,109.50 × 5,385,109.50
4. Step 4: Simplify right side
   3,663,246x = 28,999,404,326,990.25
5. Step 5: Solve for x
   x = 28,999,404,326,990.25/3,663,246
6. Step 6: Final answer
   x = 7,916,313.65