Finding the Third Proportional to 69,894,341 and 109,404,686.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,894,341 : 109,404,686.50 = 109,404,686.50 : x
2. Step 2: Convert to fraction form
   69,894,341/109,404,686.50 = 109,404,686.50/x
3. Step 3: Cross multiply
   69,894,341x = 109,404,686.50 × 109,404,686.50
4. Step 4: Simplify right side
   69,894,341x = 11,969,385,428,163,282
5. Step 5: Solve for x
   x = 11,969,385,428,163,282/69,894,341
6. Step 6: Final answer
   x = 171,249,707.16