Finding the Third Proportional to 7,689,723.61 and 18,152,317.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,689,723.61 : 18,152,317.69 = 18,152,317.69 : x
2. Step 2: Convert to fraction form
   7,689,723.61/18,152,317.69 = 18,152,317.69/x
3. Step 3: Cross multiply
   7,689,723.61x = 18,152,317.69 × 18,152,317.69
4. Step 4: Simplify right side
   7,689,723.61x = 329,506,637,427,925.38
5. Step 5: Solve for x
   x = 329,506,637,427,925.38/7,689,723.61
6. Step 6: Final answer
   x = 42,850,257.59