Finding the Third Proportional to 65,849,587.88 and 141,813,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,849,587.88 : 141,813,139.50 = 141,813,139.50 : x
2. Step 2: Convert to fraction form
   65,849,587.88/141,813,139.50 = 141,813,139.50/x
3. Step 3: Cross multiply
   65,849,587.88x = 141,813,139.50 × 141,813,139.50
4. Step 4: Simplify right side
   65,849,587.88x = 20,110,966,534,846,460
5. Step 5: Solve for x
   x = 20,110,966,534,846,460/65,849,587.88
6. Step 6: Final answer
   x = 305,407,629.48