Finding the Third Proportional to 31,848,802.59 and 69,658,752.09

Step by Step Solution

1. Step 1: Write the proportion equation
   31,848,802.59 : 69,658,752.09 = 69,658,752.09 : x
2. Step 2: Convert to fraction form
   31,848,802.59/69,658,752.09 = 69,658,752.09/x
3. Step 3: Cross multiply
   31,848,802.59x = 69,658,752.09 × 69,658,752.09
4. Step 4: Simplify right side
   31,848,802.59x = 4,852,341,743,258,520
5. Step 5: Solve for x
   x = 4,852,341,743,258,520/31,848,802.59
6. Step 6: Final answer
   x = 152,355,547.09