Finding the Third Proportional to 9,090,840 and 19,623,763.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090,840 : 19,623,763.50 = 19,623,763.50 : x
2. Step 2: Convert to fraction form
   9,090,840/19,623,763.50 = 19,623,763.50/x
3. Step 3: Cross multiply
   9,090,840x = 19,623,763.50 × 19,623,763.50
4. Step 4: Simplify right side
   9,090,840x = 385,092,093,903,932.25
5. Step 5: Solve for x
   x = 385,092,093,903,932.25/9,090,840
6. Step 6: Final answer
   x = 42,360,452.27