Finding the Third Proportional to 13,909,064 and 21,276,666

Step by Step Solution

1. Step 1: Write the proportion equation
   13,909,064 : 21,276,666 = 21,276,666 : x
2. Step 2: Convert to fraction form
   13,909,064/21,276,666 = 21,276,666/x
3. Step 3: Cross multiply
   13,909,064x = 21,276,666 × 21,276,666
4. Step 4: Simplify right side
   13,909,064x = 452,696,516,075,556
5. Step 5: Solve for x
   x = 452,696,516,075,556/13,909,064
6. Step 6: Final answer
   x = 32,546,871.31