Finding the Third Proportional to 10,669,666.50 and 25,178,821.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,669,666.50 : 25,178,821.88 = 25,178,821.88 : x
2. Step 2: Convert to fraction form
   10,669,666.50/25,178,821.88 = 25,178,821.88/x
3. Step 3: Cross multiply
   10,669,666.50x = 25,178,821.88 × 25,178,821.88
4. Step 4: Simplify right side
   10,669,666.50x = 633,973,071,012,978.50
5. Step 5: Solve for x
   x = 633,973,071,012,978.50/10,669,666.50
6. Step 6: Final answer
   x = 59,418,264.95