Finding the Third Proportional to 19,932,210 and 30,781,643

Step by Step Solution

1. Step 1: Write the proportion equation
   19,932,210 : 30,781,643 = 30,781,643 : x
2. Step 2: Convert to fraction form
   19,932,210/30,781,643 = 30,781,643/x
3. Step 3: Cross multiply
   19,932,210x = 30,781,643 × 30,781,643
4. Step 4: Simplify right side
   19,932,210x = 947,509,545,779,449
5. Step 5: Solve for x
   x = 947,509,545,779,449/19,932,210
6. Step 6: Final answer
   x = 47,536,602.60