Finding the Third Proportional to 35,898,945.75 and 86,550,516

Step by Step Solution

1. Step 1: Write the proportion equation
   35,898,945.75 : 86,550,516 = 86,550,516 : x
2. Step 2: Convert to fraction form
   35,898,945.75/86,550,516 = 86,550,516/x
3. Step 3: Cross multiply
   35,898,945.75x = 86,550,516 × 86,550,516
4. Step 4: Simplify right side
   35,898,945.75x = 7,490,991,819,866,256
5. Step 5: Solve for x
   x = 7,490,991,819,866,256/35,898,945.75
6. Step 6: Final answer
   x = 208,668,852.62