Finding the Third Proportional to 5,213,156.25 and 10,788,808.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,213,156.25 : 10,788,808.50 = 10,788,808.50 : x
2. Step 2: Convert to fraction form
   5,213,156.25/10,788,808.50 = 10,788,808.50/x
3. Step 3: Cross multiply
   5,213,156.25x = 10,788,808.50 × 10,788,808.50
4. Step 4: Simplify right side
   5,213,156.25x = 116,398,388,849,672.25
5. Step 5: Solve for x
   x = 116,398,388,849,672.25/5,213,156.25
6. Step 6: Final answer
   x = 22,327,815.10