Finding the Third Proportional to 4,991,677 and 7,300,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,991,677 : 7,300,315.50 = 7,300,315.50 : x
2. Step 2: Convert to fraction form
   4,991,677/7,300,315.50 = 7,300,315.50/x
3. Step 3: Cross multiply
   4,991,677x = 7,300,315.50 × 7,300,315.50
4. Step 4: Simplify right side
   4,991,677x = 53,294,606,399,540.25
5. Step 5: Solve for x
   x = 53,294,606,399,540.25/4,991,677
6. Step 6: Final answer
   x = 10,676,693.70