Finding the Third Proportional to 100,201,320 and 155,150,554.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,201,320 : 155,150,554.50 = 155,150,554.50 : x
2. Step 2: Convert to fraction form
   100,201,320/155,150,554.50 = 155,150,554.50/x
3. Step 3: Cross multiply
   100,201,320x = 155,150,554.50 × 155,150,554.50
4. Step 4: Simplify right side
   100,201,320x = 24,071,694,561,657,472
5. Step 5: Solve for x
   x = 24,071,694,561,657,472/100,201,320
6. Step 6: Final answer
   x = 240,233,307.92