Finding the Third Proportional to 29,909,509 and 63,964,111

Step by Step Solution

1. Step 1: Write the proportion equation
   29,909,509 : 63,964,111 = 63,964,111 : x
2. Step 2: Convert to fraction form
   29,909,509/63,964,111 = 63,964,111/x
3. Step 3: Cross multiply
   29,909,509x = 63,964,111 × 63,964,111
4. Step 4: Simplify right side
   29,909,509x = 4,091,407,496,020,321
5. Step 5: Solve for x
   x = 4,091,407,496,020,321/29,909,509
6. Step 6: Final answer
   x = 136,792,867.31