Finding the Third Proportional to 9,223,899 and 21,353,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,223,899 : 21,353,779.50 = 21,353,779.50 : x
2. Step 2: Convert to fraction form
   9,223,899/21,353,779.50 = 21,353,779.50/x
3. Step 3: Cross multiply
   9,223,899x = 21,353,779.50 × 21,353,779.50
4. Step 4: Simplify right side
   9,223,899x = 455,983,898,934,620.25
5. Step 5: Solve for x
   x = 455,983,898,934,620.25/9,223,899
6. Step 6: Final answer
   x = 49,435,048.99