Finding the Third Proportional to 12,913,888.50 and 28,097,730

Step by Step Solution

1. Step 1: Write the proportion equation
   12,913,888.50 : 28,097,730 = 28,097,730 : x
2. Step 2: Convert to fraction form
   12,913,888.50/28,097,730 = 28,097,730/x
3. Step 3: Cross multiply
   12,913,888.50x = 28,097,730 × 28,097,730
4. Step 4: Simplify right side
   12,913,888.50x = 789,482,431,152,900
5. Step 5: Solve for x
   x = 789,482,431,152,900/12,913,888.50
6. Step 6: Final answer
   x = 61,134,369.49