Finding the Third Proportional to 20,551,823.72 and 42,803,888.06

Step by Step Solution

1. Step 1: Write the proportion equation
   20,551,823.72 : 42,803,888.06 = 42,803,888.06 : x
2. Step 2: Convert to fraction form
   20,551,823.72/42,803,888.06 = 42,803,888.06/x
3. Step 3: Cross multiply
   20,551,823.72x = 42,803,888.06 × 42,803,888.06
4. Step 4: Simplify right side
   20,551,823.72x = 1,832,172,833,267,030
5. Step 5: Solve for x
   x = 1,832,172,833,267,030/20,551,823.72
6. Step 6: Final answer
   x = 89,148,917.31