Finding the Third Proportional to 9,881,210 and 21,411,629.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,881,210 : 21,411,629.50 = 21,411,629.50 : x
2. Step 2: Convert to fraction form
   9,881,210/21,411,629.50 = 21,411,629.50/x
3. Step 3: Cross multiply
   9,881,210x = 21,411,629.50 × 21,411,629.50
4. Step 4: Simplify right side
   9,881,210x = 458,457,877,845,270.25
5. Step 5: Solve for x
   x = 458,457,877,845,270.25/9,881,210
6. Step 6: Final answer
   x = 46,396,937.00